message: refactor(windowCount): remove unnecessary assignment
diff: @@ -82,7 +82,8 @@ export function windowCount<T>(windowSize: number, startWindowEvery: number = 0)
  // Open the first window.
  subscriber.next(windows[0].asObservable());
  - const outerSubscriber = new OperatorSubscriber(
  + source.subscribe(
  + new OperatorSubscriber(
  subscriber,
  (value: T) => {
  // Emit the value through all current windows.
  @@ -128,8 +129,7 @@ export function windowCount<T>(windowSize: number, startWindowEvery: number = 0)
  starts = null!;
  windows = null!;
  }
  + )
  );
  -
  - source.subscribe(outerSubscriber);
  });
  }
  