Updated openstack/openstack
Project: openstack/keystonemiddleware  a1ae56cc3bce45b9ef2b7fa6bacc295c948486c3

remove the unused method _will_expire_soon

This method is unused, the check logic will be done in auth plugin.

Change-Id: Iafcaf0efa0a6730826c04d1ef846ae333e16fee0