Task/remove unused OnDestroy hook in OSS friends page component (#6374)

* Remove unused OnDestroy hook

apps/client/src/app/pages/about/oss-friends/oss-friends-page.component.ts

@@ -1,10 +1,9 @@
-import { Component, OnDestroy } from '@angular/core';
+import { Component } from '@angular/core';
 import { MatButtonModule } from '@angular/material/button';
 import { MatCardModule } from '@angular/material/card';
 import { IonIcon } from '@ionic/angular/standalone';
 import { addIcons } from 'ionicons';
 import { arrowForwardOutline } from 'ionicons/icons';
-import { Subject } from 'rxjs';
 
 const ossFriends = require('../../../../assets/oss-friends.json');
 
@@ -14,17 +13,10 @@ const ossFriends = require('../../../../assets/oss-friends.json');
   styleUrls: ['./oss-friends-page.scss'],
   templateUrl: './oss-friends-page.html'
 })
-export class GfOpenSourceSoftwareFriendsPageComponent implements OnDestroy {
+export class GfOpenSourceSoftwareFriendsPageComponent {
   public ossFriends = ossFriends.data;
 
-  private unsubscribeSubject = new Subject<void>();
-
   public constructor() {
     addIcons({ arrowForwardOutline });
   }
-
-  public ngOnDestroy() {
-    this.unsubscribeSubject.next();
-    this.unsubscribeSubject.complete();
-  }
 }