Merge "Remove system scope token to access services"

ansible/group_vars/all.yml

ansible/roles/freezer/templates/freezer.conf.j2

ansible/roles/heat/defaults/main.yml

ansible/roles/heat/tasks/bootstrap_service.yml

ansible/roles/ironic/tasks/upgrade.yml

ansible/roles/keystone/tasks/register.yml

ansible/roles/keystone/tasks/register_identity_providers.yml

ansible/roles/murano/tasks/import_library_packages.yml

ansible/roles/nova-cell/tasks/wait_discover_computes.yml

ansible/roles/nova/templates/nova.conf.j2

doc/source/user/multi-regions.rst

...notes/stop-using-system-scope-token-328a64927dc0fb2e.yaml