docs(toh): remove unneeded directive from heroes.component

Author: wardbell

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

@@ -4,7 +4,6 @@ import { Component, OnInit } from '@angular/core';
 import { Router } from '@angular/router-deprecated';
 
 import { Hero } from './hero';
-import { HeroDetailComponent } from './hero-detail.component';
 import { HeroService } from './hero.service';
 
 // #docregion metadata
@@ -13,8 +12,7 @@ import { HeroService } from './hero.service';
   selector: 'my-heroes',
 // #enddocregion heroes-component-renaming
   templateUrl: 'app/heroes.component.html',
-  styleUrls:  ['app/heroes.component.css'],
-  directives: [HeroDetailComponent]
+  styleUrls:  ['app/heroes.component.css']
 // #docregion heroes-component-renaming
 })
 // #enddocregion heroes-component-renaming

public/docs/_examples/toh-6/ts/app/heroes.component.ts

@@ -3,14 +3,12 @@ import { Component, OnInit } from '@angular/core';
 import { Router }            from '@angular/router-deprecated';
 
 import { Hero }                from './hero';
-import { HeroDetailComponent } from './hero-detail.component';
 import { HeroService }         from './hero.service';
 
 @Component({
   selector: 'my-heroes',
   templateUrl: 'app/heroes.component.html',
-  styleUrls:  ['app/heroes.component.css'],
-  directives: [HeroDetailComponent]
+  styleUrls:  ['app/heroes.component.css']
 })
 export class HeroesComponent implements OnInit {
   heroes: Hero[];

public/docs/ts/latest/tutorial/toh-pt5.jade

@@ -544,7 +544,11 @@ figure.image-display
   1. *Cut-and-paste* the styles contents into a new `heroes.component.css` file.
   1. *Set* the component metadata's `templateUrl` and `styleUrls` properties to refer to both files.
 
-  The revised component data looks like this:
+  We no longer display the `HeroDetailComponent` in the `HeroesComponent` template because we're navigating to it.
+  So we can remove it from the metadata `directives` array. The `directives` array is now empty so we delete it.
+  We might as well delete the `HeroDetailComponent` import statement too.
+  
+  The revised component metadata looks like this:
 +makeExample('toh-5/ts/app/heroes.component.ts', 'metadata', 'app/heroes.component.ts (revised metadata)')(format=".")
 :marked
   Now we can see what's going on as we update the component class along the same lines as the dashboard: