The openstack-ansible-security role and repository is being phased
out in favor of the ansible-hardening role. This patch adjusts
all references of the old role to use the new name.
Depends-On: I711aed6daf6391de71d3c2b47fbfc00fe6b66d9f
Change-Id: I9cbdddde71fb0d71d8c412d3f62f0b0f6a241aee