ansible: use arch specific runners

With s390x runners being built by kernel-patches/runner, we can now get
rid of the logic to build the runners on s390x and instead pull the
readily available s390x runner from the container repository.

Signed-off-by: Manu Bretelle <[email protected]>

Author: chantra

ansible/roles/runner/tasks/main-s390x.yml

@@ -44,7 +44,7 @@
   ansible.builtin.copy:
     dest: "{{ runner_base_dir }}/runner_unit.env"
     content: |
-      DOCKER_TAG={{ runner_docker_tag }}
+      DOCKER_TAG={{ runner_docker_tag }}-{{ ansible_architecture }}
     mode: 0700
     owner: root
     group: root
@@ -78,10 +78,6 @@
   when: ansible_distribution == 'Amazon'
   ignore_errors: yes
 
-# Build docker images
-- include_tasks: main-s390x.yml
-  when: ansible_architecture == 's390x'
-
 - name: Generate runner env
   become: yes
   ansible.builtin.copy: