use_forwarded_for is moved to api group

See the nova code in[0].

[0] https://github.com/openstack/nova/blob/master/nova/conf/api.py#L35

Change-Id: I87861ac44d99699f7a11b5cc383a2f43c47c2b04

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

@@ -3,7 +3,6 @@
 debug = {{ nova_logging_debug }}
 
 log_dir = /var/log/kolla/nova
-use_forwarded_for = true
 
 state_path = /var/lib/nova
 
@@ -61,6 +60,9 @@ compute_monitors=nova.compute.monitors.cpu.virt_driver
 
 transport_url = rabbit://{% for host in groups['rabbitmq'] %}{{ rabbitmq_user }}:{{ rabbitmq_password }}@{% if orchestration_engine == 'KUBERNETES' %}rabbitmq{% else %}{{ hostvars[host]['ansible_' + hostvars[host]['api_interface']]['ipv4']['address'] }}{% endif %}:{{ rabbitmq_port }}{% if not loop.last %},{% endif %}{% endfor %}
 
+[api]
+use_forwarded_for = true
+
 [conductor]
 workers = {{ openstack_service_workers }}