Del es2015 , all usage bable env

Author: ilyjs

demo/webpack.config.js

@@ -13,7 +13,7 @@ module.exports = {
                     loader: 'babel-loader',
                     query: {
                         cacheDirectory: true,
-                        presets: ['react', 'es2015', 'stage-2']
+                      presets: ['env', 'react', 'stage-2'],
                     }
 
                 }]

package.json

@@ -41,7 +41,6 @@
     "babel-plugin-add-module-exports": "^0.2.1",
     "babel-plugin-transform-export-default": "^7.0.0-alpha.20",
     "babel-preset-env": "^1.6.1",
-    "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
     "babel-preset-stage-2": "^6.24.1",
     "create-react-class": "^15.6.2",