Remove unneeded comment in batcher unit test.
Remove unneeded comment in batcher unit test.

Workiva/furious,andreleblanc-wf/furious,Workiva/furious,rosshendrickson-wf/furious,beaulyddon-wf/furious,mattsanders-wf/furious,rosshendrickson-wf/furious,andreleblanc-wf/furious,beaulyddon-wf/furious,robertkluin/furious,mattsanders-wf/furious