refactor(core): remove ViewResolver and ViewResolverMock

The methods on `ViewResolverMock` have been merged into `DirectiveResolver`.

BREAKING CHANGE:
- ES5 users can no longer use the `View(…)` function to provide `ViewMetadata`.
  This mirrors the removal of the `@View` decorator a while ago.

modules/@angular/compiler/test/ng_module_resolver_spec.ts

@@ -35,8 +35,8 @@ export function main() {
     beforeEach(() => { resolver = new NgModuleResolver(); });
 
     it('should read out the metadata from the class', () => {
-      var viewMetadata = resolver.resolve(SomeModule);
-      expect(viewMetadata).toEqual(new NgModuleMetadata({
+      var moduleMetadata = resolver.resolve(SomeModule);
+      expect(moduleMetadata).toEqual(new NgModuleMetadata({
         declarations: [SomeClass1],
         imports: [SomeClass2],
         exports: [SomeClass3],