Always create ResellerAdmin role for Swift

ResellerAdmin role should be created always when Swift is enabled
and not only for Ceilometer. The role is needed for normal users
to get administration rights for their Swift projects and is
required to pass DefCore (OpenStack Powered) certification.

Change-Id: I4faa63b8fae1814e382de2794301248cc0f4a90a
Closes-Bug: #1700729

ansible/roles/swift/tasks/register.yml

@@ -42,5 +42,4 @@
       auth: "{{ '{{ openstack_swift_auth }}' }}"
     module_extra_vars:
       openstack_swift_auth: "{{ openstack_swift_auth }}"
-  when: enable_ceilometer | bool
   run_once: True

ansible/roles/swift/templates/proxy-server.conf.j2

@@ -48,7 +48,7 @@ memcached_servers = {% for host in groups['memcached'] %}{{ hostvars[host]['ansi
 
 [filter:keystoneauth]
 use = egg:swift#keystoneauth
-operator_roles = admin,{{ keystone_default_user_role }}{% if enable_ceilometer | bool %},ResellerAdmin{% endif %}
+operator_roles = admin,{{ keystone_default_user_role }},ResellerAdmin
 
 {% if enable_ceilometer | bool %}
 [filter:ceilometer]