To destroy a kolla-ansible environment a confirmation string should be passed
along with kolla-ansible command: kolla-ansible destroy -i ~/multinode \
--yes-i-really-really-mean-it
However, this string is not evaluated right and just putting --y starts destroy
process: ./kolla-ansible destroy -i ~/multinode --y
Change-Id: I5983f9c7fd3859d60741dfd23ad10dfd91872eeb
Closes-Bug: #1701313