test: clean up explicit dynamic query usages (#33015)

Cleans up all the places where we explicitly set `static: false` on queries.

PR Close #33015

aio/content/examples/template-syntax/src/app/hero-form.component.ts

@@ -13,7 +13,7 @@ import { Hero } from './hero';
 })
 export class HeroFormComponent {
   @Input() hero: Hero;
-  @ViewChild('heroForm', {static: false}) form: NgForm;
+  @ViewChild('heroForm') form: NgForm;
 
   // tslint:disable-next-line:variable-name
   private _submitMessage = '';