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
oldProps: Props,
    newProps: Props,
  ): null | {} {
    return UPDATE_SIGNAL;
  },
  commitMount(instance: Instance, type: string, newProps: Props): void {
    
  },
  commitUpdate(
    instance: Instance,
    updatePayload: Object,
    type: string,
    oldProps: Props,
    newProps: Props,
  ): void {
    instance.prop = newProps.prop;
  },
  shouldSetTextContent(type: string, props: Props): boolean {
    return (
      typeof props.children === 'string' || typeof props.children === 'number'
    );
  },
  resetTextContent(instance: Instance): void {},
  shouldDeprioritizeSubtree(type: string, props: Props): boolean {
    return !!props.hidden;
  },
  createTextInstance(
    text: string,
    rootContainerInstance: Container,
    hostContext: Object,