fix(Typings): Remove public exports added in 1926335b85

Closes #4147

modules/angular2/test_lib.ts

@@ -2,9 +2,3 @@
 export * from './test';
 export * from './src/test_lib/utils';
 export * from './src/test_lib/fake_async';
-export {ComponentRef, HostViewRef} from './src/core/compiler';
-
-// This interface is referenced by TestComponents, however we can't export it directly from router
-// because router pulls in dart:html & dart:js and we import test_lib in standalone VM tests
-// so we re-create the interface here.
-export interface InjectableReference {}