removed universal demo components

src/app/app.component.ts

@@ -0,0 +1,11 @@
+import { Component, ChangeDetectionStrategy, ViewEncapsulation } from '@angular/core';
+
+@Component({
+  changeDetection: ChangeDetectionStrategy.Default,
+  encapsulation: ViewEncapsulation.Emulated,
+  selector: 'ds-app',
+  templateUrl: './app.component.html',
+  styleUrls: [ './app.component.scss' ]
+})
+export class AppComponent {
+}