Remove polyfills

Author: colinrotherham

docs/installation/installing-with-npm.md

@@ -101,9 +101,6 @@ Rather than using `initAll`, you can initialise individual components used by yo
 import initRadios from 'nhsuk-frontend/packages/components/radios/radios.js';
 import initSkipLink from 'nhsuk-frontend/packages/components/skip-link/skip-link.js';
 
-// Polyfills
-import 'nhsuk-frontend/packages/polyfills.js';
-
 // Initialise components
 document.addEventListener('DOMContentLoaded', () => {
   initRadios();

packages/index.js

@@ -11,8 +11,6 @@ const initRadios = require('./components/radios/radios')
 const initSkipLink = require('./components/skip-link/skip-link')
 const initTabs = require('./components/tabs/tabs')
 
-require('./polyfills.js')
-
 /**
  * Use this function to initialise nhsuk-frontend components within a
  * given scope. This function is called by default with the document