chore: fix linting

Author: Foxandxss

public/docs/_examples/toh-5/ts/app/app.component.1.ts

@@ -1,4 +1,3 @@
-/* tslint:disable no-unused-variables */
 // #docplaster
 // #docregion
 import { Component }       from '@angular/core';
@@ -7,9 +6,6 @@ import { HeroService }     from './hero.service';
 import { HeroesComponent } from './heroes.component';
 // #enddocregion
 
-// For testing only
-import { ROUTER_DIRECTIVES } from '@angular/router';
-
 // #docregion
 @Component({
   selector: 'my-app',