Removes extra /admin/ from building of admin-guide-cloud
Removes extra /admin/ from building of admin-guide-cloud

The bug is caused by the file being copied to
docs.openstack.org/local/admin-cloud-guide
instead of docs.openstack.org/admin-cloud-guide

Removing <release.path.name></release.path.name> to
fix the bug.

Change-Id: I23c124e33af177059bed809056683e6f98da6a6a
Closes-bug: 1223065

Akasurde/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,openstack/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,gongysh2004/openstack-manual,openstack/openstack-manuals,saeki-masaki/openstack-manuals,kairoaraujo/openstack-manuals,potsmaster/openstack-manuals,AlekhyaMallina-Vedams/openstack-manuals,Akasurde/openstack-manuals,saeki-masaki/openstack-manuals,gongysh2004/openstack-manual,kairoaraujo/openstack-manuals,openstack/openstack-manuals,openstack/openstack-manuals