Config updated

src/app/app.topbar.component.ts

@@ -1,5 +1,4 @@
 import { Component, OnDestroy } from '@angular/core';
-import { AppComponent } from './app.component';
 import { AppMainComponent } from './app.main.component';
 import { Subscription } from 'rxjs';
 import { MenuItem } from 'primeng/api';
@@ -8,17 +7,9 @@ import { MenuItem } from 'primeng/api';
     selector: 'app-topbar',
     templateUrl: './app.topbar.component.html'
 })
-export class AppTopBarComponent implements OnDestroy{
-
-    subscription: Subscription;
+export class AppTopBarComponent {
 
     items: MenuItem[];
 
-    constructor(public app: AppComponent, public appMain: AppMainComponent) {}
-
-    ngOnDestroy() {
-        if (this.subscription) {
-            this.subscription.unsubscribe();
-        }
-    }
+    constructor(public appMain: AppMainComponent) { }
 }