oslo_messaging_rabbit deprecation notices

[David Moreau Simard]

It looks like we should be using DEFAULT/transport_url now according to documentation:
http://docs.openstack.org/developer/oslo.messaging/opts.html#oslo-messaging-rabbit

Warning This option is deprecated for removal. Its value may be silently ignored in the future.
Reason: Replaced by [DEFAULT]/transport_url

2016-09-18 02:22:03.321 20354 WARNING oslo_config.cfg [designate-manage - - - - -] Option "rabbit_virtual_host" from group "oslo_messaging_rabbit" is deprecated for removal. Its value may be silently ignored in the future.
2016-09-18 02:22:03.322 20354 WARNING oslo_config.cfg [designate-manage - - - - -] Option "rabbit_hosts" from group "oslo_messaging_rabbit" is deprecated for removal. Its value may be silently ignored in the future.
2016-09-18 02:22:03.322 20354 WARNING oslo_config.cfg [designate-manage - - - - -] Option "rabbit_port" from group "oslo_messaging_rabbit" is deprecated for removal. Its value may be silently ignored in the future.
2016-09-18 02:22:03.323 20354 WARNING oslo_config.cfg [designate-manage - - - - -] Option "rabbit_userid" from group "oslo_messaging_rabbit" is deprecated for removal. Its value may be silently ignored in the future.
2016-09-18 02:22:03.323 20354 WARNING oslo_config.cfg [designate-manage - - - - -] Option "rabbit_password" from group "oslo_messaging_rabbit" is deprecated for removal. Its value may be silently ignored in the future.

[Denis Egorenko (degorenko)]

So, we already have this value in our manifests: https://github.com/openstack/puppet-oslo/blob/master/manifests/messaging/default.pp#L37

We need just switch all outdated manifests to new value.

[Alex Schultz (alex-schultz)]

These have been removed