refactor(test): Remove unnecessary noSuchMethod

Remove trivial implementations in many spy objects which just calls the
parent's `noSuchMethod`.

Closes #6410

Closes #6491

modules/angular2/test/platform/browser/tools/spies.dart

@@ -8,7 +8,6 @@ import 'dart:js';
 @proxy
 class SpyApplicationRef extends SpyObject implements ApplicationRef {
   tick() {}
-  noSuchMethod(m) => super.noSuchMethod(m);
 }
 
 @proxy
@@ -16,11 +15,9 @@ class SpyComponentRef extends SpyObject implements ComponentRef_ {
   Injector injector;
 
   SpyComponentRef() {
-    this.injector =
-        Injector.resolveAndCreate([bind(ApplicationRef).toClass(SpyApplicationRef)]);
+    this.injector = Injector
+        .resolveAndCreate([bind(ApplicationRef).toClass(SpyApplicationRef)]);
   }
-
-  noSuchMethod(m) => super.noSuchMethod(m);
 }
 
 void callNgProfilerTimeChangeDetection([config]) {