data: Use shared ESLint config

packages/data/.eslintrc.js

@@ -1,48 +1,4 @@
 module.exports = {
   root: true,
-  parserOptions: {
-    ecmaVersion: 2017,
-    sourceType: 'module'
-  },
-  plugins: [
-    'ember'
-  ],
-  extends: [
-    'eslint:recommended',
-    'plugin:ember/recommended'
-  ],
-  env: {
-    browser: true
-  },
-  rules: {
-  },
-  overrides: [
-    // node files
-    {
-      files: [
-        'index.js',
-        'testem.js',
-        'ember-cli-build.js',
-        'config/**/*.js',
-        'tests/dummy/config/**/*.js'
-      ],
-      excludedFiles: [
-        'app/**',
-        'addon/**',
-        'tests/dummy/app/**'
-      ],
-      parserOptions: {
-        sourceType: 'script',
-        ecmaVersion: 2015
-      },
-      env: {
-        browser: false,
-        node: true
-      },
-      plugins: ['node'],
-      rules: Object.assign({}, require('eslint-plugin-node').configs.recommended.rules, {
-        // add your custom rules and overrides for node files here
-      })
-    }
-  ]
+  extends: '@cardstack/eslint-config/browser',
 };