[CLEANUP] Remove deprecated jQuery integration

packages/@ember/-internals/glimmer/tests/integration/components/curly-components-test.js

@@ -14,7 +14,6 @@ import { DEBUG } from '@glimmer/env';
 import { alias, set, get, observer, on, computed, tracked } from '@ember/-internals/metal';
 import Service, { inject as injectService } from '@ember/service';
 import { Object as EmberObject, A as emberA } from '@ember/-internals/runtime';
-import { jQueryDisabled } from '@ember/-internals/views';
 
 import { Component, compile, htmlSafe } from '../../utils/helpers';
 import { backtrackingMessageFor } from '../../utils/debug-stack';
@@ -3882,108 +3881,3 @@ moduleFor(
     }
   }
 );
-
-if (jQueryDisabled) {
-  moduleFor(
-    'Components test: curly components: jQuery disabled',
-    class extends RenderingTestCase {
-      ['@test jQuery proxy is not available without jQuery']() {
-        let instance;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: 'hello',
-        });
-
-        this.render('{{foo-bar}}');
-
-        expectAssertion(() => {
-          instance.$()[0];
-        }, 'You cannot access this.$() with `jQuery` disabled.');
-      }
-    }
-  );
-} else {
-  moduleFor(
-    'Components test: curly components: jQuery enabled',
-    class extends RenderingTestCase {
-      ['@test it has a jQuery proxy to the element']() {
-        let instance;
-        let element1;
-        let element2;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: 'hello',
-        });
-
-        this.render('{{foo-bar}}');
-
-        expectDeprecation(() => {
-          element1 = instance.$()[0];
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        this.assertComponentElement(element1, { content: 'hello' });
-
-        runTask(() => this.rerender());
-
-        expectDeprecation(() => {
-          element2 = instance.$()[0];
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        this.assertComponentElement(element2, { content: 'hello' });
-
-        this.assertSameNode(element2, element1);
-      }
-
-      ['@test it scopes the jQuery proxy to the component element'](assert) {
-        let instance;
-        let $span;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: '<span class="inner">inner</span>',
-        });
-
-        this.render('<span class="outer">outer</span>{{foo-bar}}');
-
-        expectDeprecation(() => {
-          $span = instance.$('span');
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        assert.equal($span.length, 1);
-        assert.equal($span.attr('class'), 'inner');
-
-        runTask(() => this.rerender());
-
-        expectDeprecation(() => {
-          $span = instance.$('span');
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        assert.equal($span.length, 1);
-        assert.equal($span.attr('class'), 'inner');
-      }
-    }
-  );
-}

packages/@ember/-internals/glimmer/tests/integration/components/dynamic-components-test.js

@@ -2,7 +2,6 @@ import { DEBUG } from '@glimmer/env';
 import { moduleFor, RenderingTestCase, strip, runTask } from 'internal-test-helpers';
 
 import { set, computed } from '@ember/-internals/metal';
-import { jQueryDisabled } from '@ember/-internals/views';
 
 import { Component } from '../../utils/helpers';
 import { backtrackingMessageFor } from '../../utils/debug-stack';
@@ -806,108 +805,3 @@ moduleFor(
     }
   }
 );
-
-if (jQueryDisabled) {
-  moduleFor(
-    'Components test: dynamic components: jQuery disabled',
-    class extends RenderingTestCase {
-      ['@test jQuery proxy is not available without jQuery']() {
-        let instance;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: 'hello',
-        });
-
-        this.render('{{component "foo-bar"}}');
-
-        expectAssertion(() => {
-          instance.$()[0];
-        }, 'You cannot access this.$() with `jQuery` disabled.');
-      }
-    }
-  );
-} else {
-  moduleFor(
-    'Components test: dynamic components : jQuery enabled',
-    class extends RenderingTestCase {
-      ['@test it has a jQuery proxy to the element']() {
-        let instance;
-        let element1;
-        let element2;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: 'hello',
-        });
-
-        this.render('{{component "foo-bar"}}');
-
-        expectDeprecation(() => {
-          element1 = instance.$()[0];
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        this.assertComponentElement(element1, { content: 'hello' });
-
-        runTask(() => this.rerender());
-
-        expectDeprecation(() => {
-          element2 = instance.$()[0];
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        this.assertComponentElement(element2, { content: 'hello' });
-
-        this.assertSameNode(element2, element1);
-      }
-
-      ['@test it scopes the jQuery proxy to the component element'](assert) {
-        let instance;
-        let $span;
-
-        let FooBarComponent = Component.extend({
-          init() {
-            this._super();
-            instance = this;
-          },
-        });
-
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: '<span class="inner">inner</span>',
-        });
-
-        this.render('<span class="outer">outer</span>{{component "foo-bar"}}');
-
-        expectDeprecation(() => {
-          $span = instance.$('span');
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        assert.equal($span.length, 1);
-        assert.equal($span.attr('class'), 'inner');
-
-        runTask(() => this.rerender());
-
-        expectDeprecation(() => {
-          $span = instance.$('span');
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-
-        assert.equal($span.length, 1);
-        assert.equal($span.attr('class'), 'inner');
-      }
-    }
-  );
-}

packages/@ember/-internals/glimmer/tests/integration/components/fragment-components-test.js

@@ -227,26 +227,6 @@ moduleFor(
       this.assertText('baz');
     }
 
-    ['@test throws an error if when $() is accessed on component where `tagName` is an empty string']() {
-      let template = `hit dem folks`;
-      let FooBarComponent = Component.extend({
-        tagName: '',
-        init() {
-          this._super();
-          this.$();
-        },
-      });
-
-      this.registerComponent('foo-bar', {
-        ComponentClass: FooBarComponent,
-        template,
-      });
-
-      expectAssertion(() => {
-        this.render(`{{#foo-bar}}{{/foo-bar}}`);
-      }, /You cannot access this.\$\(\) on a component with `tagName: ''` specified/);
-    }
-
     ['@test renders a contained view with omitted start tag and tagless parent view context']() {
       this.registerComponent('root-component', {
         ComponentClass: Component.extend({

packages/@ember/-internals/glimmer/tests/integration/components/life-cycle-test.js

@@ -1,16 +1,9 @@
-import {
-  moduleFor,
-  RenderingTestCase,
-  classes,
-  strip,
-  runAppend,
-  runTask,
-} from 'internal-test-helpers';
+import { classes, moduleFor, RenderingTestCase, runTask, strip } from 'internal-test-helpers';
 
 import { schedule } from '@ember/runloop';
 import { set, setProperties } from '@ember/-internals/metal';
 import { A as emberA } from '@ember/-internals/runtime';
-import { getViewId, getViewElement, jQueryDisabled } from '@ember/-internals/views';
+import { getViewElement, getViewId } from '@ember/-internals/views';
 
 import { Component } from '../../utils/helpers';
 
@@ -1604,54 +1597,6 @@ moduleFor(
   }
 );
 
-if (!jQueryDisabled) {
-  moduleFor(
-    'Run loop and lifecycle hooks - jQuery only',
-    class extends RenderingTestCase {
-      ['@test lifecycle hooks have proper access to this.$()'](assert) {
-        assert.expect(7);
-        let component;
-        let FooBarComponent = Component.extend({
-          tagName: 'div',
-          init() {
-            assert.notOk(this.$(), 'no access to element via this.$() on init() enter');
-            this._super(...arguments);
-            assert.notOk(this.$(), 'no access to element via this.$() after init() finished');
-          },
-          willInsertElement() {
-            component = this;
-            assert.ok(this.$(), 'willInsertElement has access to element via this.$()');
-          },
-          didInsertElement() {
-            assert.ok(this.$(), 'didInsertElement has access to element via this.$()');
-          },
-          willDestroyElement() {
-            assert.ok(this.$(), 'willDestroyElement has access to element via this.$()');
-          },
-          didDestroyElement() {
-            assert.notOk(
-              this.$(),
-              'didDestroyElement does not have access to element via this.$()'
-            );
-          },
-        });
-        this.registerComponent('foo-bar', {
-          ComponentClass: FooBarComponent,
-          template: 'hello',
-        });
-        let { owner } = this;
-
-        expectDeprecation(() => {
-          let comp = owner.lookup('component:foo-bar');
-          runAppend(comp);
-          runTask(() => component.destroy?.());
-        }, 'Using this.$() in a component has been deprecated, consider using this.element');
-        runTask(() => component.destroy?.());
-      }
-    }
-  );
-}
-
 function assertDestroyHooks(assert, _actual, _expected) {
   _expected.forEach((expected, i) => {
     let name = expected.name;

packages/@ember/-internals/views/lib/mixins/view_support.js

@@ -3,9 +3,6 @@ import { descriptorForProperty, Mixin, nativeDescDecorator } from '@ember/-inter
 import { assert } from '@ember/debug';
 import { hasDOM } from '@ember/-internals/browser-environment';
 import { matches } from '../system/utils';
-import { jQuery, jQueryDisabled } from '../system/jquery';
-import { deprecate } from '@ember/debug';
-import { JQUERY_INTEGRATION } from '@ember/deprecated-features';
 
 function K() {
   return this;
@@ -422,46 +419,6 @@ let mixin = {
   },
 };
 
-if (JQUERY_INTEGRATION) {
-  /**
-   Returns a jQuery object for this view's element. If you pass in a selector
-   string, this method will return a jQuery object, using the current element
-   as its buffer.
-
-   For example, calling `view.$('li')` will return a jQuery object containing
-   all of the `li` elements inside the DOM element of this view.
-
-   @method $
-   @param {String} [selector] a jQuery-compatible selector string
-   @return {jQuery} the jQuery object for the DOM node
-   @public
-   @deprecated
-   */
-  mixin.$ = function $(sel) {
-    assert(
-      "You cannot access this.$() on a component with `tagName: ''` specified.",
-      this.tagName !== ''
-    );
-    assert('You cannot access this.$() with `jQuery` disabled.', !jQueryDisabled);
-    deprecate(
-      'Using this.$() in a component has been deprecated, consider using this.element',
-      false,
-      {
-        id: 'ember-views.curly-components.jquery-element',
-        until: '4.0.0',
-        url: 'https://deprecations.emberjs.com/v3.x#toc_jquery-apis',
-        for: 'ember-source',
-        since: {
-          enabled: '3.9.0',
-        },
-      }
-    );
-    if (this.element) {
-      return sel ? jQuery(sel, this.element) : jQuery(this.element);
-    }
-  };
-}
-
 /**
  @class ViewMixin
  @namespace Ember