refactor: read auth provider info from app config

src/app/modules/menu/navigation/navigation.service.ts

@@ -22,20 +22,6 @@ export class NavigationService {
       this.logger.error(`error from loading menu entries: ${error}`);
     }
 
-    // TODO: move this menu item to the config (backend)
-    menu[1].items.unshift({
-      icon: 'library',
-      route: '/library-account',
-      title: 'library account',
-      translations: {
-        de: {
-          title: 'Bibliothekskonto',
-        },
-        en: {
-          title: 'Library account',
-        },
-      },
-    });
     return menu;
   }
 }