Admin functions cleanup, and change how we do titles and parents in the backend

git-svn-id: http://svn.automattic.com/wordpress/trunk@4478 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-admin/moderation.php

@@ -1,8 +1,6 @@
 <?php
 require_once('admin.php');
 
-$title = __('Moderate comments');
-$parent_file = 'edit-comments.php';
 wp_enqueue_script( 'admin-comments' );
 
 wp_reset_vars(array('action', 'item_ignored', 'item_deleted', 'item_approved', 'item_spam', 'feelinglucky'));