Remove code for HEAD, DELETE, and metadata preservation in libgateway.  It's not needed.
Remove code for HEAD, DELETE, and metadata preservation in libgateway.  It's not needed.

jcnelson/syndicate,iychoi/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate,jcnelson/syndicate,iychoi/syndicate