[uiFramework/docSite] reuse kibana babel config (#11688)

package.json

@@ -204,7 +204,6 @@
   "devDependencies": {
     "@elastic/eslint-config-kibana": "0.5.0",
     "@elastic/eslint-plugin-kibana-custom": "1.0.3",
-    "@spalger/babel-presets": "0.3.2",
     "angular-mocks": "1.4.7",
     "auto-release-sinon": "1.0.3",
     "babel-eslint": "6.1.2",

ui_framework/.babelrc

@@ -1,3 +0,0 @@
-{
-  "presets": ["react", "@spalger/babel-presets"]
-}

ui_framework/doc_site/webpack.config.js

@@ -1,5 +1,5 @@
 const path = require('path');
-
+const babelPreset = require('../../src/optimize/babel/helpers').webpackPreset;
 module.exports = {
   devtool: 'source-map',
 
@@ -34,7 +34,7 @@ module.exports = {
       loader: 'babel',
       exclude: /node_modules/,
       query: {
-        presets: ['es2015', 'react'],
+        presets: [babelPreset],
       },
     }, {
       test: /\.scss$/,