check_mode option is included in Ansible 2.2.
Using in our playbooks mean that any other version before
Ansible 2.2 can be used
This reverts commit 529f202d00e4615caa1fcb447aaa47fde6aa1417.
Change-Id: I3af96290443d760346264e6d994fd2a44de65543
Closes-Bug: #1644828