refactor: remove outdated code

src/app/app.component.html

@@ -1,13 +1 @@
-<!-- <button
-    mat-raised-button
-    routerLink="/">
-    Player
-</button>
-&nbsp;
-<button
-    mat-raised-button
-    routerLink="/upload">
-    Upload playlist
-</button> -->
-
 <router-outlet></router-outlet>

src/app/state/channel.service.ts

@@ -1,15 +1,6 @@
 import { Injectable } from '@angular/core';
-import { ChannelStore } from './channel.store';
-import { HttpClient } from '@angular/common/http';
-import { tap } from 'rxjs/operators';
 
 @Injectable({ providedIn: 'root' })
 export class ChannelService {
-    constructor(private channelStore: ChannelStore, private http: HttpClient) {}
-
-    /* get() {
-        return this.http
-            .get('')
-            .pipe(tap(entities => this.channelStore.set(entities)));
-    } */
+    constructor() {}
 }