Comment 4 for bug 1736985

Reviewed: https://review.openstack.org/613651
Committed: https://git.openstack.org/cgit/openstack/keystonemiddleware/commit/?id=7e1b53625990bb08425645cb92f36e16bd67db7f
Submitter: Zuul
Branch: master

commit 7e1b53625990bb08425645cb92f36e16bd67db7f
Author: Morgan Fainberg <email address hidden>
Date: Fri Oct 26 10:32:28 2018 -0700

    Stop supporting revocation list

    With keystone's move to eliminating pki, pkiz, and uuid tokens the
    revocation list is no longer generated. Keystonemiddleware no longer
    needs to attempt to retrieve it and reference it.

    Change-Id: Ief3bf1941e62f9136dbed11877bca81c4102041b
    closes-bug: #1361743
    partial-bug: #1649735
    partial-bug: #1736985