Stop deploying nova consoleauth

This depends on the following openstack/nova change removing the
nova-consoleauth service from the project:

https://review.opendev.org/#/c/652969/

Change-Id: I478045c02780a964b68ccfa5913ab68548d10ee4

packstack/puppet/modules/packstack/manifests/nova/vncproxy.pp

@@ -11,10 +11,6 @@ class packstack::nova::vncproxy ()
       host    => $vnc_bind_host,
     }
 
-    class { '::nova::consoleauth':
-      enabled => true,
-    }
-
     firewall { '001 novncproxy incoming':
       proto  => 'tcp',
       dport  => ['6080'],