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
scheduleUpdateImpl(fiber, TaskPriority, true);
  }
  function performWithPriority(priorityLevel: PriorityLevel, fn: Function) {
    const previousPriorityContext = priorityContext;
    priorityContext = priorityLevel;
    try {
      fn();
    } finally {
      priorityContext = previousPriorityContext;
    }
  }
  function batchedUpdates<A, R>(fn: (a: A) => R, a: A): R {
    const previousIsBatchingUpdates = isBatchingUpdates;
    isBatchingUpdates = true;
    try {
      return fn(a);