Correct the documentation for _publish_post_hook(). Remove unused glo…

…bal declaration. props roulandf. fixes #23376.

git-svn-id: http://core.svn.wordpress.org/trunk@23387 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/post.php

@@ -4848,15 +4848,12 @@ function _future_post_hook( $deprecated = '', $post ) {
  *
  * @since 2.3.0
  * @access private
- * @uses $wpdb
- * @uses XMLRPC_REQUEST constant.
- * @uses do_action() Calls 'xmlprc_publish_post' on post ID if XMLRPC_REQUEST is defined.
+ * @uses XMLRPC_REQUEST and WP_IMPORTING constants.
+ * @uses do_action() Calls 'xmlrpc_publish_post' on post ID if XMLRPC_REQUEST is defined.
  *
  * @param int $post_id The ID in the database table of the post being published
  */
 function _publish_post_hook($post_id) {
-	global $wpdb;
-
 	if ( defined('XMLRPC_REQUEST') )
 		do_action('xmlrpc_publish_post', $post_id);