Remove PKI/PKIZ token in doc
Remove PKI/PKIZ token in doc

The PKI/PKIZ token has been removed already. This patch remove the
related doc.

Change-Id: I5d29558d51fc6cc2fbf07a20bf58af0ded4996ed

mahak/keystone,openstack/keystone,openstack/keystone,openstack/keystone,mahak/keystone,mahak/keystone