remove extra changes

package.json

@@ -119,8 +119,7 @@
     "webpack": "^3.6.0",
     "webpack-dev-server": "^2.9.1",
     "webpack-merge": "^4.1.0",
-    "webpack-postcss-tools": "^1.1.1",
-    "write-file-webpack-plugin": "^4.2.0"
+    "webpack-postcss-tools": "^1.1.1"
   },
   "dependencies": {
     "classnames": "^2.2.5",

webpack.dev.js

@@ -3,7 +3,6 @@ const path = require('path');
 const webpack = require('webpack');
 const merge = require('webpack-merge');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
-const WriteFilePlugin = require('write-file-webpack-plugin');
 
 const HOST = 'localhost';
 const PORT = '8080';
@@ -48,7 +47,6 @@ module.exports = merge.smart(require('./webpack.base.js'), {
       filename: '[name].css',
       disable: true,
     }),
-    new WriteFilePlugin(),
   ],
   devtool: 'source-map',
   devServer: {

yarn.lock

@@ -3254,10 +3254,6 @@ fileset@^2.0.2:
     glob "^7.0.3"
     minimatch "^3.0.3"
 
-filesize@^3.2.1:
-  version "3.5.11"
-  resolved "https://registry.yarnpkg.com/filesize/-/filesize-3.5.11.tgz#1919326749433bb3cf77368bd158caabcc19e9ee"
-
 fill-range@^2.1.0:
   version "2.2.3"
   resolved "https://registry.yarnpkg.com/fill-range/-/fill-range-2.2.3.tgz#50b77dfd7e469bc7492470963699fe7a8485a723"
@@ -9681,17 +9677,6 @@ write-file-stdout@0.0.2:
   version "0.0.2"
   resolved "https://registry.yarnpkg.com/write-file-stdout/-/write-file-stdout-0.0.2.tgz#c252d7c7c5b1b402897630e3453c7bfe690d9ca1"
 
-write-file-webpack-plugin@^4.2.0:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/write-file-webpack-plugin/-/write-file-webpack-plugin-4.2.0.tgz#7bd18547eaa0ea0b23992fb1e0322e5431d339ef"
-  dependencies:
-    chalk "^1.1.1"
-    debug "^2.6.8"
-    filesize "^3.2.1"
-    lodash "^4.5.1"
-    mkdirp "^0.5.1"
-    moment "^2.11.2"
-
 write@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/write/-/write-0.2.1.tgz#5fc03828e264cea3fe91455476f7a3c566cb0757"