Removed munin_cgi_graph_jobs from munin.conf

munin_cgi_graph_jobs doesn't actually do anything. Also changed from
template to regular file.

munin/manifests/init.pp

@@ -298,10 +298,10 @@ class munin::server {
 
     file { "/etc/munin/munin.conf":
         ensure  => present,
-        content => template("munin/munin.conf.erb"),
         owner   => "root",
         group   => "root",
         mode    => "0644",
+        source  => "puppet:///modules/munin/munin.conf",
         require => Package["munin"],
     }