cleanup to webpack config

{{cookiecutter.app_name}}/package.json

@@ -32,7 +32,6 @@
     "babel-eslint": "^7.2.3",
     "babel-loader": "^7.0.0",
     "babel-preset-es2015": "^6.24.1",
-    "copy-webpack-plugin": "^4.0.1",
     "css-loader": "^0.28.4",
     "eslint": "^3.19.0",
     "eslint-config-airbnb-base": "^11.2.0",

{{cookiecutter.app_name}}/webpack.config.js

@@ -4,7 +4,6 @@ const webpack = require('webpack');
  * Webpack Plugins
  */
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
-const CopyWebpackPlugin = require('copy-webpack-plugin');
 const ManifestRevisionPlugin = require('manifest-revision-webpack-plugin');
 
 // take debug mode from the environment