Task/remove unused OnDestroy hook in blog page component (#6382)

* Remove unused OnDestroy hook

apps/client/src/app/pages/blog/blog-page.component.ts

@@ -1,13 +1,12 @@
 import { hasPermission, permissions } from '@ghostfolio/common/permissions';
 import { DataService } from '@ghostfolio/ui/services';
 
-import { Component, CUSTOM_ELEMENTS_SCHEMA, OnDestroy } from '@angular/core';
+import { Component, CUSTOM_ELEMENTS_SCHEMA } from '@angular/core';
 import { MatCardModule } from '@angular/material/card';
 import { RouterModule } from '@angular/router';
 import { IonIcon } from '@ionic/angular/standalone';
 import { addIcons } from 'ionicons';
 import { chevronForwardOutline } from 'ionicons/icons';
-import { Subject } from 'rxjs';
 
 @Component({
   host: { class: 'page' },
@@ -17,11 +16,9 @@ import { Subject } from 'rxjs';
   styleUrls: ['./blog-page.scss'],
   templateUrl: './blog-page.html'
 })
-export class GfBlogPageComponent implements OnDestroy {
+export class GfBlogPageComponent {
   public hasPermissionForSubscription: boolean;
 
-  private unsubscribeSubject = new Subject<void>();
-
   public constructor(private dataService: DataService) {
     const info = this.dataService.fetchInfo();
 
@@ -32,9 +29,4 @@ export class GfBlogPageComponent implements OnDestroy {
 
     addIcons({ chevronForwardOutline });
   }
-
-  public ngOnDestroy() {
-    this.unsubscribeSubject.next();
-    this.unsubscribeSubject.complete();
-  }
 }