Updated openstack/openstack
Project: openstack/keystone  40dbaec380512a3efb365898ad2c4e92a186d45b

Remove endpoint_substitution_whitelist config option

The endpoint_substitution_whitelist was actually scheduled to be
removed in Juno.

The whitelisted substitution items are the same as was the default
in previous releases.

bp removed-as-of-kilo
DocImpact

Change-Id: Ia9cc6e3c9807e00e7291cf9bb2f3451fbe2bf94f