Do not log passwords

This prevents data to be leaked into the callback plugin.

Change-Id: If71d5efc15c4867f877d147349fb3c5ae7b42e95

extras/os-cloudkitty-install.yml

@@ -95,6 +95,7 @@
         read_priv: ".*"
         write_priv: ".*"
         state: "present"
+      no_log: true
       delegate_to: "{{ groups['rabbitmq_all'][0] }}"
       when:
         - inventory_hostname == groups['cloudkitty_all'][0]

tests/test-install-cloudkitty.yml

@@ -33,6 +33,7 @@
         read_priv: ".*"
         write_priv: ".*"
         state: "present"
+      no_log: true
       delegate_to: "{{ hostvars[groups['rabbitmq_all'][0]]['ansible_host'] }}"
   roles:
     - role: "os_cloudkitty"