Remove `/%(tenant_id)s` suffix from v2.1 endpoints

The installation guide [1] uses endpoints ending at the /v2.1 suffix.

[1] https://docs.openstack.org/nova/stein/install/controller-install.html

Change-Id: I92af045da67f9e746fd6e4b94e56bb8aa72850c4

ansible/roles/nova/defaults/main.yml

@@ -342,9 +342,9 @@ nova_legacy_admin_endpoint: "{{ admin_protocol }}://{{ nova_internal_fqdn }}:{{
 nova_legacy_internal_endpoint: "{{ internal_protocol }}://{{ nova_internal_fqdn }}:{{ nova_api_port }}/v2/%(tenant_id)s"
 nova_legacy_public_endpoint: "{{ public_protocol }}://{{ nova_external_fqdn }}:{{ nova_api_port }}/v2/%(tenant_id)s"
 
-nova_admin_endpoint: "{{ admin_protocol }}://{{ nova_internal_fqdn }}:{{ nova_api_port }}/v2.1/%(tenant_id)s"
-nova_internal_endpoint: "{{ internal_protocol }}://{{ nova_internal_fqdn }}:{{ nova_api_port }}/v2.1/%(tenant_id)s"
-nova_public_endpoint: "{{ public_protocol }}://{{ nova_external_fqdn }}:{{ nova_api_port }}/v2.1/%(tenant_id)s"
+nova_admin_endpoint: "{{ admin_protocol }}://{{ nova_internal_fqdn }}:{{ nova_api_port }}/v2.1"
+nova_internal_endpoint: "{{ internal_protocol }}://{{ nova_internal_fqdn }}:{{ nova_api_port }}/v2.1"
+nova_public_endpoint: "{{ public_protocol }}://{{ nova_external_fqdn }}:{{ nova_api_port }}/v2.1"
 
 nova_logging_debug: "{{ openstack_logging_debug }}"