Update performance dependencies

performance/webpack.config.js

@@ -10,17 +10,23 @@ module.exports = {
     filename: 'performance.bundle.js'
   },
   module: {
-    loaders: [
+    rules: [
       {
         test: /\.css$/,
-        loader: 'style-loader!css-loader?module&localIdentName=[hash:base64:8]'
+        use: [
+          'style-loader',
+          {
+            loader: 'css-loader',
+            options: { module: true, localIdentName: '[hash:base64:8]' }
+          }
+        ]
       },
       {
         test: /\.js$/,
         exclude: /node_modules/,
-        loader: 'babel-loader',
-        query: {
-          cacheDirectory: true
+        use: {
+          loader: 'babel-loader',
+          query: { cacheDirectory: true }
         }
       }
     ]
@@ -33,13 +39,11 @@ module.exports = {
     new webpack.DefinePlugin({
       'process.env.NODE_ENV': JSON.stringify('production')
     }),
-    new webpack.optimize.DedupePlugin(),
-    new webpack.optimize.OccurenceOrderPlugin(),
     new webpack.optimize.UglifyJsPlugin({
       compress: {
         dead_code: true,
         screw_ie8: true,
-        warnings: true
+        warnings: false
       }
     })
   ],