Remove use of distribute.

Change-Id: Ie0f23623febb41bfdba181c690cc0df94a39fa5a
Reviewed-on: https://review.openstack.org/35916
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Approved: Monty Taylor <mordred@inaugust.com>
Reviewed-by: Monty Taylor <mordred@inaugust.com>
Tested-by: Jenkins