Revert "Add backwards compatible keystone healthcheck link"
Revert "Add backwards compatible keystone healthcheck link"

This is blocking promotions, had a typo. [1] is already promoted and is
in current-tripleo repo, so reverting this patch.

This reverts commit 5b677282413c577de70abd148d7696ff8c0a8754.

[1] https://review.openstack.org/#/c/631310/

Related-Bug: #1813176
Change-Id: Ieeeb58a8cf9e20b0037e955dea0126501f8ae956

openstack/tripleo-common,openstack/tripleo-common