Removed unused app component css file (#4438)

* Removed unused css for app component

* Removed empty css file

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/Angular-CSharp/ClientApp/src/app/app.component.css

@@ -1,6 +0,0 @@
-@media (max-width: 767px) {
-  /* On small screens, the nav menu spans the full width of the screen. Leave a space for it. */
-  .body-content {
-    padding-top: 50px;
-  }
-}

src/ProjectTemplates/Web.Spa.ProjectTemplates/content/Angular-CSharp/ClientApp/src/app/app.component.ts

@@ -2,8 +2,7 @@ import { Component } from '@angular/core';
 
 @Component({
   selector: 'app-root',
-  templateUrl: './app.component.html',
-  styleUrls: ['./app.component.css']
+  templateUrl: './app.component.html'
 })
 export class AppComponent {
   title = 'app';