Merge "Use templates lower-constraints, update cover job"

.zuul.yaml

@@ -1,5 +1,6 @@
 - project:
     templates:
+      - openstack-lower-constraints-jobs
       - openstack-python-jobs
       - openstack-python35-jobs
       - openstack-python36-jobs
@@ -13,7 +14,6 @@
             voting: false
         - sahara-tests-scenario
         - sahara-tests-tempest
-        - openstack-tox-lower-constraints
         - openstack-tox-cover:
             voting: false
         - sahara-grenade
@@ -22,7 +22,6 @@
       jobs:
         - sahara-tests-scenario
         - sahara-tests-tempest
-        - openstack-tox-lower-constraints
         - sahara-grenade
     experimental:
       jobs:
@@ -31,9 +30,6 @@
         - sahara-buildimages-mapr
         - sahara-tests-scenario-multinode-spark
         - sahara-tests-scenario-py3
-    post:
-      jobs:
-        - openstack-tox-cover
 
 - job:
     name: sahara-grenade