CompressionPlugin: use default params for filename and cache

webpack/production.js

@@ -35,8 +35,6 @@ module.exports = merge(sharedConfig, {
 
   plugins: [
     new CompressionPlugin({
-      filename: '[path].gz[query]',
-      cache: true,
       test: /\.(js|css|html|json|ico|svg|eot|otf|ttf|map)$/,
     }),
     new BundleAnalyzerPlugin({ // generates report.html