Fix the rabbitmq username for mediawiki

Signed-off-by: Aurélien Bompard <aurelien@bompard.org>

playbooks/groups/wiki.yml

@@ -32,9 +32,8 @@
   - apache
   - fedmsg/base
   # Set up for fedora-messaging
-  - role: rabbit/queue
-    username: "wiki{{ env_suffix }}"
-    queue_name: "wiki{{ env_suffix }}"
+  - role: rabbit/user
+    username: "mediawiki{{ env_suffix }}"
     sent_topics: ^org\.fedoraproject\.{{ env_short }}\.(wiki|logger)\..*
     when: inventory_hostname.startswith('wiki01')
   - { role: nfs/client, when: env == "staging", mnt_dir: '/mnt/web/attachments',  nfs_src_dir: 'fedora_app_staging/app/attachments', mount_stg: true }