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
if (nextUnitOfWork === null) {
              invariant(
                pendingCommit !== null,
                'Should have a pending commit. This error is likely caused by ' +
                  'a bug in React. Please file an issue.',
              );
              
              
              if (deadline.timeRemaining() > timeHeuristicForUnitOfWork) {
                priorityContext = TaskPriority;
                commitAllWork(pendingCommit);
                priorityContext = nextPriorityLevel;
                
                handleCommitPhaseErrors();
                
                if (
                  nextPriorityLevel === NoWork ||
                  nextPriorityLevel > minPriorityLevel ||
                  nextPriorityLevel < HighPriority
                ) {
                  
                  break;
                }
              } else {
                deadlineHasExpired = true;
              }
            }