Revert "Pin ansible to <2.2.0"
Revert "Pin ansible to <2.2.0"

This reverts commit f2576e7a719a129a3c8be603bd9993d2b1ec94f2.

We finally heeded all the deprecation warnings.

Signed-off-by: Zack Cerza <d7cdf09fc0f0426e98c9978ee42da5d61fa54986@redhat.com>

dmick/teuthology,ktdreyer/teuthology,SUSE/teuthology,dmick/teuthology,SUSE/teuthology,ceph/teuthology,dmick/teuthology,SUSE/teuthology,ktdreyer/teuthology,ceph/teuthology