feat (build) remove @babel-polyfill

and 200kb in app.js !!

Author: Cocola

package.json

@@ -22,7 +22,6 @@
   "license": "GPL-2.0",
   "devDependencies": {
     "@babel/core": "^7.4.5",
-    "@babel/polyfill": "^7.4.4",
     "@babel/preset-env": "^7.4.5",
     "babel-core": "^6.26.3",
     "babel-eslint": "^10.0.1",

webpack.settings.js

@@ -2,7 +2,7 @@ const path = require('path')
 
 module.exports = {
   entry: {
-    app: ['@babel/polyfill', './src/js/app.js', './src/scss/style.scss'],
+    app: ['./src/js/app.js', './src/scss/style.scss'],
     'editor-style': './src/scss/editor-style.scss',
   },
   assetsPath: path.resolve(__dirname, 'dist/assets'),