Remove rfc.sh.

Change-Id: I52d02a0b116432b0996f08de86ce914d7d06832c
Reviewed-on: https://review.openstack.org/23782
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins