query_work_queue() and show_work() both do the same thing.

[leftwo]

query_work_queue() and show_work() both do the same thing.
Remove one of them, probably show_work()

[leftwo]

Hmm.. Maybe there is a slight difference that is worth preserving.
For show_work() we also dump out details about the internal work queue, and in tests, those are desirable.