dns: Remove reverse6 class (migrated to hiera)

manifests/dns/reverse6.pp

@@ -1,20 +0,0 @@
-# Module:: public
-# Manifest:: dns/reverse6.pp
-#
-# Author:: Julien Vaubourg (<julien@vaubourg.com>)
-# Date:: 2013-09-21 13:36:02 +0200
-# Maintainer:: Julien Vaubourg (<julien@vaubourg.com>)
-#
-# Class:: dns::reverse6 inherits dns
-#
-#
-class public::dns::reverse6 {
-
-  class { 'allknowingdns':
-    listen         => ['2001:913::6','80.67.188.171'],
-    network        => '2001:913::/32',
-    address        => 'rev6.ldn-fai.net',
-    address_prefix => 'UNSET',
-  }
-
-}