Clean up dead code from old refresh system.
Clean up dead code from old refresh system.

ENCODE-DCC/dalliance,bartcharbon/dalliance,jeffhsu3/dalliance,warelab/dalliance,limeng12/dalliance,Traksewt/dalliance,dasmoth/dalliance,dasmoth/dalliance,limeng12/dalliance,bartcharbon/dalliance,Traksewt/dalliance,ENCODE-DCC/dalliance,jeffhsu3/dalliance,warelab/dalliance