feat: remove legacy packages (Shopify#44)

## Context

Removed two legacy packages

## Changes

Removed code from:
- accordion
- postcss

## Checklist

- [x] My code follows the style guidelines of this project
- [x] I've performed a self-review of my own code
- [x] I've added a changeset if this PR contains user-facing or
noteworthy changes
- [x] I've commented my code, particularly in hard-to-understand areas
- [x] I've made corresponding changes to the documentation
- [x] I've tested my code for breaking changes and added the
corresponding
      footer in this PR if needed

apps/storybook/package.json

@@ -9,7 +9,6 @@
 		"clean": "rimraf dist .turbo node_modules"
 	},
 	"devDependencies": {
-		"@code-internet-applications/postcss-config": "workspace:*",
 		"@code-internet-applications/tailwind-utils": "workspace:*",
 		"@code-internet-applications/tsconfig": "workspace:*",
 		"@storybook/addon-essentials": "^7.0.22",

apps/storybook/postcss.config.js

@@ -1,4 +1,6 @@
-/* eslint-disable @typescript-eslint/no-var-requires */
-
-module.exports =
-	require('@code-internet-applications/postcss-config').postcssConfig;
+module.exports = {
+	plugins: {
+		tailwindcss: {},
+		autoprefixer: {},
+	},
+};

packages/components/react/package.json

@@ -29,7 +29,6 @@
 		]
 	},
 	"dependencies": {
-		"@code-internet-applications/accordion": "workspace:*",
 		"@code-internet-applications/heading": "workspace:*",
 		"@code-internet-applications/text": "workspace:*"
 	},

packages/components/react/src/index.ts

@@ -1,3 +1,2 @@
-export * from '@code-internet-applications/accordion';
 export * from '@code-internet-applications/heading';
 export * from '@code-internet-applications/text';