Revert "trying to set name = $key"

This reverts commit 4e5bc9e.

Author: SimonHoenscheid

manifests/server/config_entry.pp

@@ -84,7 +84,6 @@
 
   postgresql_conf { $name:
     ensure  => $ensure,
-    name    => $key,
     target  => $path,
     key     => $key,
     value   => $value,