Updated openstack/openstack
Project: openstack/keystone  93bc881553d7dcc92a21081a8e4fb9a2d06474b4

Suggest users to remove REMOTE_USER from shibd conf

Shibboleth configuration docs should suggest users to avoid setting
REMOTE_USER environment variable in the shibboleth2.xml config file.

Change-Id: I11ee773dd20375c46e40d70ad09bf0a88182502e
Closes-bug: #1320128