Remove autoprefixer dependency (#11315)

* remove `autoprefixer` dependency

This was only used in the CLI and we are not using it anymore. The
functionality of `autoprefixer` is baked into `lightningcss`.

* update changelog

CHANGELOG.md

@@ -13,6 +13,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Make font settings propagate into buttons, inputs, etc. ([#10940](https://github.com/tailwindlabs/tailwindcss/pull/10940))
 - Fix parsing of `theme()` inside `calc()` when there are no spaces around operators ([#11157](https://github.com/tailwindlabs/tailwindcss/pull/11157))
 - Ensure `repeating-conic-gradient` is detected as an image ([#11180](https://github.com/tailwindlabs/tailwindcss/pull/11180))
+- Remove `autoprefixer` dependency ([#11315](https://github.com/tailwindlabs/tailwindcss/pull/11315))
 
 ### Added
 

package.json

@@ -47,7 +47,6 @@
     "@swc/core": "^1.3.56",
     "@swc/jest": "^0.2.26",
     "@swc/register": "^0.1.10",
-    "autoprefixer": "^10.4.14",
     "concurrently": "^8.0.1",
     "eslint": "^8.39.0",
     "eslint-config-prettier": "^8.8.0",