Revert "upgrade tempest environment based on requirements.txt"
I think something transient was breaking us. now with this patch the openstack services start dying. I've tried in the sandbox without the step that this patch adds and it seems tempest is back again:
https://jenkins.opendaylight.org/sandbox/job/netvirt-vpnservice-csit-1node-openstack-mitaka-openstack-jamo-boron/1/
This reverts commit
d594b5c6aed3492e09b0d3a60827837b67c88291.
Change-Id: Id80233701cc774e09993ec9f74b6fb0604308233
Signed-off-by: Jamo Luhrsen <jluhrsen@redhat.com>