Fix linting issues for ansible-lint 3.4.1
Fix linting issues for ansible-lint 3.4.1

Preparing this role for the ansible-lint version bump

Change-Id: I0a192ebd062e09c41ec0acaa43ed8cbb628f91f5

openstack/openstack-ansible-rsyslog_client,openstack/openstack-ansible-rsyslog_client