Remove unused service and variable injections

Eliminated unused injections of RestService, Router, and ViewContainerRef from MultiTenancyService, LoaderBarComponent, and LoadingDirective respectively to clean up the code and improve maintainability.

npm/ng-packs/packages/core/src/lib/services/multi-tenancy.service.ts

@@ -7,12 +7,10 @@ import {
 } from '../proxy/volo/abp/asp-net-core/mvc/multi-tenancy/models';
 import { TENANT_KEY } from '../tokens/tenant-key.token';
 import { ConfigStateService } from './config-state.service';
-import { RestService } from './rest.service';
 import { SessionStateService } from './session-state.service';
 
 @Injectable({ providedIn: 'root' })
 export class MultiTenancyService {
-  private restService = inject(RestService);
   private sessionState = inject(SessionStateService);
   private tenantService = inject(AbpTenantService);
   private configStateService = inject(ConfigStateService);

npm/ng-packs/packages/theme-shared/src/lib/components/loader-bar/loader-bar.component.ts

@@ -24,7 +24,6 @@ import { HttpWaitService, RouterWaitService, SubscriptionService } from '@abp/ng
   imports: [CommonModule],
 })
 export class LoaderBarComponent implements OnDestroy, OnInit {
-  private router = inject(Router);
   private cdRef = inject(ChangeDetectorRef);
   private subscription = inject(SubscriptionService);
   private httpWaitService = inject(HttpWaitService);

npm/ng-packs/packages/theme-shared/src/lib/directives/loading.directive.ts

@@ -22,7 +22,6 @@ import { LoadingComponent } from '../components';
 })
 export class LoadingDirective implements OnInit, OnDestroy {
   private elRef = inject<ElementRef<HTMLElement>>(ElementRef);
-  private vcRef = inject(ViewContainerRef);
   private cdRes = inject(ComponentFactoryResolver);
   private injector = inject(Injector);
   private renderer = inject(Renderer2);