Fix deprecated ng-bootstrap methods

client/src/app/search/search.module.ts

@@ -11,7 +11,7 @@ import { NgbCollapseModule } from '@ng-bootstrap/ng-bootstrap'
     SearchRoutingModule,
     SharedModule,
 
-    NgbCollapseModule.forRoot()
+    NgbCollapseModule
   ],
 
   declarations: [

client/src/app/shared/shared.module.ts

@@ -60,11 +60,11 @@ import { SubscribeButtonComponent, UserSubscriptionService } from '@app/shared/u
     RouterModule,
     HttpClientModule,
 
-    NgbDropdownModule.forRoot(),
-    NgbModalModule.forRoot(),
-    NgbPopoverModule.forRoot(),
-    NgbTabsetModule.forRoot(),
-    NgbTooltipModule.forRoot(),
+    NgbDropdownModule,
+    NgbModalModule,
+    NgbPopoverModule,
+    NgbTabsetModule,
+    NgbTooltipModule,
 
     PrimeSharedModule,
     NgPipesModule

client/src/app/videos/+video-watch/video-watch.module.ts

@@ -22,7 +22,7 @@ import { VideoBlacklistComponent } from '@app/videos/+video-watch/modal/video-bl
     VideoWatchRoutingModule,
     SharedModule,
     ClipboardModule,
-    NgbTooltipModule.forRoot(),
+    NgbTooltipModule,
     NgxQRCodeModule
   ],