Gate: remove unused pull images role and playbook

This PS removes the unused pull images role and playbook.

Change-Id: Ic26035c3f58efb6269fd58e570601cccfdd84949
Signed-off-by: Pete Birley <pete@port.direct>

playbooks/osh-infra-pull-images.yaml

@@ -1,24 +0,0 @@
-# Copyright 2017 The Openstack-Helm Authors.
-#
-# 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: all
-  vars_files:
-    - vars.yaml
-  vars:
-    work_dir: "{{ zuul.project.src_dir }}/{{ zuul_osh_infra_relative_path | default('') }}"
-  gather_facts: True
-  roles:
-    - pull-images
-  tags:
-    - pull-images

roles/pull-images/tasks/main.yaml

@@ -1,26 +0,0 @@
-# Copyright 2017 The Openstack-Helm Authors.
-#
-# 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.
-
-- name: Ensure docker python packages deployed
-  include_role:
-    name: deploy-package
-    tasks_from: pip
-  vars:
-    packages:
-      - yq
-
-- name: pull all images used in repo
-  make:
-    chdir: "{{ work_dir }}"
-    target: pull-all-images