fix lint errors

packages/app/config/webpack.dev.dll.js

@@ -1,7 +1,7 @@
 /**
  * @author: Yuki Takei <yuki@weseek.co.jp>
  */
- const path = require('path');
+const path = require('path');
 const webpack = require('webpack');
 
 

packages/app/config/webpack.prod.js

@@ -35,7 +35,7 @@ module.exports = require('./webpack.common')({
             loader: 'postcss-loader',
             options: {
               sourceMap: false,
-              plugins: (loader) => {
+              plugins: () => {
                 return [
                   require('autoprefixer')(),
                 ];