build: remove clean-webpack-plugin - no longer required in Webpack 5+

Webpack 5 introduced a built-in output.clean option that provides
similar functionality for cleaning the output directory before each build.

Author: engineervix

package-lock.json

@@ -39,7 +39,6 @@
   "devDependencies": {
     "@types/jest": "^30.0.0",
     "autoprefixer": "^10.4.22",
-    "clean-webpack-plugin": "^4.0.0",
     "copy-webpack-plugin": "^13.0.1",
     "css-loader": "^7.1.2",
     "cssnano": "^7.1.2",