docs(ts/tutorial/routing): Remove HeroDetailComponent in HeroesComponent file

[LoganDupont]

After you remove <my-hero-detail [hero]="selectedHero"></my-hero-detail> from the templateurl: 'app/heroes.component.html' and use instead a router navigation to HeroDetail. I think you don't need the import { HeroDetailComponent }and directives: [HeroDetailComponent] anymore in the HeroesComponent file.

[wardbell]

Good catch! I took your suggestion in commit a4bc455 of PR #1066