Remove other other unexpected change.

src/state/CallViewModel.ts

@@ -478,10 +478,6 @@ export class CallViewModel extends ViewModel {
     ),
   );
 
-  public readonly userMediaIds: Observable<string[]> = this.userMedia.pipe(
-    map((mediaItems) => mediaItems.map((m) => m.id)),
-  );
-
   private readonly localUserMedia: Observable<LocalUserMediaViewModel> =
     this.mediaItems.pipe(
       map((ms) => ms.find((m) => m.vm.local)!.vm as LocalUserMediaViewModel),