Removed section which deleted empty files when updating the inbox.  This potentially deletes files that are being generated by merge mate-pairs or demultiplexing.
Removed section which deleted empty files when updating the inbox.  This potentially deletes files that are being generated by merge mate-pairs or demultiplexing.

teharrison/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,wilke/MG-RAST,paczian/MG-RAST,teharrison/MG-RAST,MG-RAST/MG-RAST,paczian/MG-RAST,MG-RAST/MG-RAST,teharrison/MG-RAST