Remove useless code

src/app/join-room/join-room.component.ts

@@ -22,7 +22,6 @@ export class JoinErrorStateMatcher implements ErrorStateMatcher {
 export class JoinRoomComponent implements OnInit {
 
   room: Room;
-  isExisting = true;
 
   roomFormControl = new FormControl('', [Validators.required]);
 

src/app/room/room.component.ts

@@ -19,9 +19,7 @@ export class RoomComponent implements OnInit {
   }
 
   ngOnInit() {
-    this.route.params.subscribe(params => {
-      this.getRoom(params['roomId']);
-    });
+
   }
 
   getRoom(id: string): void {