Outdated Keystone authtoken options have been deprecated for a while
(admin_*), removing them completely from manifests, providers and tests as
a first step of moving puppet-neutron to keystone::resource::authtoken usage
Depends-On: I3018932a106df562e94067e037b3bc862be97b51
Depends-On: Ic9e0302ce7350a49806e0c8dad1449b84dec8613
Change-Id: I51f05efa150fe7de13df02bfe19e50f49b3b7c0c
Related-bug: #1604463