Switch to openstack-python35-jobs template for py35 CI gate

This patch set switches to openstack-python35-jobs for the py35
CI gate.

Change-Id: I12239086984a387dde33e5fdc451a9c51deec953

.zuul.yaml

@@ -12,20 +12,19 @@
 
 - project:
     templates:
+      - openstack-python35-jobs
       - openstack-python36-jobs
     check:
       jobs:
         - openstack-tox-pep8
         - airship-pegleg-linter
         - airship-pegleg-doc-build
-        - airship-pegleg-unit-py35
         - airship-pegleg-docker-build-gate
     gate:
       jobs:
         - openstack-tox-pep8
         - airship-pegleg-linter
         - airship-pegleg-doc-build
-        - airship-pegleg-unit-py35
         - airship-pegleg-docker-build-gate
     post:
       jobs:
@@ -44,20 +43,6 @@
     run: tools/gate/playbooks/zuul-linter.yaml
     nodeset: airship-pegleg-single-node
 
-- job:
-    name: airship-pegleg-unit-py35
-    description: |
-      Executes unit tests under Python 3.5
-    run: tools/gate/playbooks/unit-py35.yaml
-    timeout: 300
-    nodeset: airship-pegleg-single-node
-    irrelevant-files:
-      - ^.*\.rst$
-      - ^doc/.*$
-      - ^etc/.*$
-      - ^releasenotes/.*$
-      - ^setup.cfg$
-
 - job:
     name: airship-pegleg-doc-build
     description: |

tools/gate/playbooks/unit-py35.yaml

@@ -1,20 +0,0 @@
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-- hosts: primary
-  tasks:
-    - name: Execute the make target for unit testing
-      make:
-        chdir: "{{ zuul.project.src_dir }}"
-        target: tests
-      register: result
-      failed_when: result.failed