refactor: remove various leftover unused or deprecated code (#11091)

modules/@angular/upgrade/test/upgrade_spec.ts

@@ -284,41 +284,6 @@ export function main() {
              ref.dispose();
            });
          }));
-
-
-      // this test should be removed ones the deprecated @Components.directives prop is removed
-      // we should rewrite all of the tests in this file to use modules instead.
-      it('should downgrade ng2 component that is part of a module', async(() => {
-           const ng1Module = angular.module('ng1', []);
-
-           ng1Module.component('ng1Component', {template: '<ng2-component></ng2-component>'});
-
-           const SpecialValue = new OpaqueToken('special test value');
-
-           const Ng2Component = Component({
-                                  selector: 'ng2-component',
-                                  template: '<span>test: {{value}}</span>'
-                                }).Class({
-             constructor: [
-               Inject(SpecialValue), function Ng2Component(value: number) { this.value = value; }
-             ]
-           });
-           const Ng2AppModule =
-               NgModule({
-                 declarations: [Ng2Component],
-                 imports: [BrowserModule],
-                 providers: [{provide: SpecialValue, useValue: 23}]
-               }).Class({constructor: function Ng2AppModule() {}, ngDoBootstrap: function() {}});
-
-           const adapter = new UpgradeAdapter(Ng2AppModule);
-           ng1Module.directive('ng2Component', adapter.downgradeNg2Component(Ng2Component));
-           var element = html('<ng1-component></ng1-component>');
-           adapter.bootstrap(element, ['ng1']).ready((ref) => {
-             expect(multiTrim(document.body.getElementsByTagName('ng2-component')[0].innerHTML))
-                 .toEqual('<span>test: 23</span>');
-             ref.dispose();
-           });
-         }));
     });
 
     describe('upgrade ng1 component', () => {