[web] Recreate workbench with Overleaf styles (#29651)

GitOrigin-RevId: 52ca336f70b29edf6e39cf95aa164f3ae32c0a79

services/web/webpack.config.js

@@ -10,7 +10,6 @@ const {
 
 const PackageVersions = require('./app/src/infrastructure/PackageVersions.js')
 const invalidateBabelCacheIfNeeded = require('./frontend/macros/invalidate-babel-cache-if-needed')
-const { dirname } = require('node:path')
 
 // Make sure that babel-macros are re-evaluated after changing the modules config
 invalidateBabelCacheIfNeeded()
@@ -259,26 +258,6 @@ module.exports = {
               },
             ],
           },
-          {
-            // CSS from AI module
-            include: dirname(require.resolve('@overleaf/ai')),
-            use: [
-              {
-                loader: 'css-loader',
-                options: {
-                  exportType: 'css-style-sheet',
-                },
-              },
-              {
-                loader: 'postcss-loader',
-                options: {
-                  postcssOptions: {
-                    config: require.resolve('@overleaf/ai/postcss.config.js'),
-                  },
-                },
-              },
-            ],
-          },
           {
             // Standard CSS processing (extracted into separate file)
             use: [MiniCssExtractPlugin.loader, 'css-loader'],