remove temporary workaround added for CommonJS import issue in versio…

…n 2.5.0 of MiniCSSExtractPlugin

packages/scripts/config/webpack.config.js

@@ -5,14 +5,7 @@ const { BundleAnalyzerPlugin } = require( 'webpack-bundle-analyzer' );
 const { CleanWebpackPlugin } = require( 'clean-webpack-plugin' );
 const CopyWebpackPlugin = require( 'copy-webpack-plugin' );
 const browserslist = require( 'browserslist' );
-
-/*
- * Temporary workaround to fix broken CommonJS import in version 2.5.0.
- * @see https://github.com/WordPress/gutenberg/issues/37992
- */
-const MiniCSSExtractPlugin = require( 'mini-css-extract-plugin' ).default
-	? require( 'mini-css-extract-plugin' ).default
-	: require( 'mini-css-extract-plugin' );
+const MiniCSSExtractPlugin = require( 'mini-css-extract-plugin' );
 const { basename, dirname, resolve } = require( 'path' );
 const ReactRefreshWebpackPlugin = require( '@pmmmwh/react-refresh-webpack-plugin' );
 const TerserPlugin = require( 'terser-webpack-plugin' );