Merge pull request #6625 from vector-im/luke/fix-compatibility-page

Enforce loading babel-polyfill first

src/vector/index.js

@@ -17,18 +17,6 @@ limitations under the License.
 
 'use strict';
 
-// for ES6 stuff like startsWith() that Safari doesn't handle
-// and babel doesn't do by default
-// Note we use this, as well as the babel transform-runtime plugin
-// since transform-runtime does not cover instance methods
-// such as "foobar".includes("foo") which bits of our library
-// code use, but the babel transform-runtime plugin allows the
-// regenerator runtime to be injected early enough in the process
-// (it can't be here as it's too late: the alternative is to put
-// the babel-polyfill as the first 'entry' in the webpack config).
-// https://babeljs.io/docs/plugins/transform-runtime/
-require('babel-polyfill');
-
 // Require common CSS here; this will make webpack process it into bundle.css.
 // Our own CSS (which is themed) is imported via separate webpack entry points
 // in webpack.config.js