Revert "Async clone for git roles"

This reverts commit 7a1e46b2c55d35037030454533fd436442706e7d.

Tasks executed asynchronously do not implement retries
like normal tasks do. As the role clones are failing quite
often due to TLS failures we need the retries.

Change-Id: Iac4167a63387f645e91d4529218c9d2de87ea5a7

tests/get-ansible-role-requirements.yml

@@ -73,21 +73,9 @@
                        map(attribute='item') | list)
                       | default(required_roles, True) }}"
       register: git_clone
+      until: git_clone | success
       retries: "{{ git_clone_retries }}"
       delay: "{{ git_clone_retry_delay }}"
-      async: 1800
-      poll: 0
-
-    - name: Wait for git clones to complete
-      async_status:
-        jid: "{{ item['ansible_job_id'] }}"
-      register: _git_jobs
-      until: _git_jobs['finished'] | bool
-      delay: 5
-      retries: 360
-      with_items: "{{ git_clone['results'] }}"
-      when:
-        - item['ansible_job_id'] is defined
 
   vars:
     ansible_python_interpreter: "/usr/bin/python"