Remove obsolete 'intl' polyfill

angular/angular-cli#9920

Author: sfeilmeier

ui/src/polyfills.ts

@@ -59,19 +59,3 @@ import 'web-animations-js';  // Run `npm install --save web-animations-js`.
  * Zone JS is required by Angular itself.
  */
 import 'zone.js/dist/zone';  // Included with Angular CLI.
-
-
-
-/***************************************************************************************************
- * APPLICATION IMPORTS
- */
-
-/**
- * Date, currency, decimal and percent pipes.
- * Needed for: All but Chrome, Firefox, Edge, IE11 and Safari 10
- */
-import 'intl';  // Run `npm install --save intl`.
-/**
- * Need to import at least one locale-data with intl.
- */
-import 'intl/locale-data/jsonp/en';