fix ie 11 rendering (#9713)

webpack/webpack.base.conf.js

@@ -11,7 +11,7 @@ const IS_PROD = process.env.NODE_ENV === 'production';
 
 const baseConfig = {
   entry: {
-    app: './website/client/main.js',
+    app: ['babel-polyfill', './website/client/main.js'],
   },
   output: {
     path: config.build.assetsRoot,

website/client/main.js

@@ -1,7 +1,3 @@
-// TODO verify if it's needed, added because Axios require Promise in the global scope
-// and babel-runtime doesn't affect external libraries
-require('babel-polyfill');
-
 import Vue from 'vue';
 import AppComponent from './app';
 import {