Remove py3 jobs for manila-ui project

We will handle these in repo.

Change-Id: I15bbccecbaa0ebc5e6fa1dc4b2899e739ad42356

zuul.d/projects.yaml

@@ -5585,7 +5585,6 @@
     templates:
       - check-requirements
       - openstack-python-jobs-horizon
-      - openstack-python35-jobs-horizon
       - publish-openstack-sphinx-docs
       # TODO(jaegerandi): Once queens is not translated anymore,
       # use translation-jobs-master-stable instead of the two
@@ -5596,8 +5595,6 @@
       - publish-to-pypi-python3
     check:
       jobs:
-        - openstack-tox-py35:
-            branches: ^(?!stable/(ocata|pike|queens)).*$
         - horizon-openstack-tox-py27dj19:
             branches: ^(?!driverfixes/).*$
         - horizon-openstack-tox-py27dj110:
@@ -5606,8 +5603,6 @@
             voting: false
     gate:
       jobs:
-        - openstack-tox-py35:
-            branches: ^(?!stable/(ocata|pike|queens)).*$
         - horizon-openstack-tox-py27dj19:
             branches: ^(?!driverfixes/).*$
         - horizon-openstack-tox-py27dj110: