[refactor] Remove unused code

AdminPanel/client/webpack.config.js

@@ -51,11 +51,6 @@ module.exports = (env, argv) => {
             context: path.resolve(__dirname, 'src/assets'),
             from: '*.svg',
             to: 'static/[name][ext]'
-          },
-          {
-            context: path.resolve(__dirname),
-            from: 'config.json',
-            to: 'config.json'
           }
         ]
       }),