Load Octicons through ts instead of css import

src/vs/base/browser/ui/octiconLabel/octiconLabel.ts

@@ -3,6 +3,8 @@
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
 
+import 'vs/css!./octicons/octicons';
+import 'vs/css!./octicons/octicons2';
 import 'vs/css!./octicons/octicons-main';
 import 'vs/css!./octicons/octicons-animations';
 import { escape } from 'vs/base/common/strings';

src/vs/base/browser/ui/octiconLabel/octicons/octicons-main.css

-@import 'octicons.css';
-@import 'octicons2.css';
-
 body[data-octicons-update="enabled"] {
     --version: octicons2;
 }