avoid double logs in v1=>celery copy/move
avoid double logs in v1=>celery copy/move

If a provider can't intra_copy or intra_move it will dispatch to the
celery task to do the action.  The celery task will do the logging
independently, so v1 should create a log if celery is invoked.

CenterForOpenScience/waterbutler,RCOSDP/waterbutler,Johnetordoff/waterbutler,felliott/waterbutler,rdhyee/waterbutler,TomBaxter/waterbutler