We don't actually use this anywhere, so let's remove it.

https://github.com/facebook/react/blob/f1d00156df5453bc62bd5668fefdcac4ca67e90e/src/renderers/shared/fiber/ReactFiberScheduler.js#L1504-L1512
} finally {
      isBatchingUpdates = previousIsBatchingUpdates;
       
       
      if (!isPerformingWork && !isBatchingUpdates) {
        performWork(TaskPriority, null);
      }
    }
  }
  function unbatchedUpdates<A>(fn: () => A): A {
    const previousIsUnbatchingUpdates = isUnbatchingUpdates;
    const previousIsBatchingUpdates = isBatchingUpdates;
     
    isUnbatchingUpdates = isBatchingUpdates;
    isBatchingUpdates = false;
    try {
      return fn();
    } finally {
      isBatchingUpdates = previousIsBatchingUpdates;
      isUnbatchingUpdates = previousIsUnbatchingUpdates;
    }
  }
  function flushSync<A>(batch: () => A): A {
    const previousIsBatchingUpdates = isBatchingUpdates;
    const previousPriorityContext = priorityContext;
    isBatchingUpdates = true;
    priorityContext = SynchronousPriority;
    try {
      return batch();
    } finally {