add default node to hosts.pp manifest

This is required for the update_repos flag to work

manifests/setup/hosts.pp

@@ -82,3 +82,4 @@ file_line { 'wgetrc_proxy':
 }
 
 
+node default { }

manifests/setup/precise64.pp

@@ -32,5 +32,3 @@ exec { '/usr/bin/apt-get update':
 
 # bring up the bridging interface explicitly
 #exec { '/sbin/ifconfig eth2 up': }
-
-node default { }