fix openstack template

roles/openshift_cloud_provider/templates/openstack.conf.j2

@@ -11,7 +11,6 @@ tenant-name = {{ openshift.cloudprovider.openstack.tenant_name }}
 region = {{ openshift.cloudprovider.openstack.region }}
 {% endif %}
 {% if 'lb_subnet_id' in openshift.cloudprovider.openstack %}
-+
-+[LoadBalancer]
-+subnet-id = {{ openshift.cloudprovider.openstack.lb_subnet_id }}
-+{% endif %}
+[LoadBalancer]
+subnet-id = {{ openshift.cloudprovider.openstack.lb_subnet_id }}
+{% endif %}