removed unwanted typings

Author: moizKachwala

client/app/main.ts

@@ -1,6 +1,3 @@
-/* Avoid: 'error TS2304: Cannot find name <type>' during compilation */
-///<reference path="../typings/globals/es6-shim/index.d.ts"/>
-
 import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
 import { AppModule } from './app.module';
 platformBrowserDynamic().bootstrapModule(AppModule);