Throttle generic pings to no more than once per hour. Props Denis-de-Bernardy. fixes #6698

git-svn-id: https://develop.svn.wordpress.org/trunk@11410 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/comment.php

@@ -1324,9 +1324,6 @@ function do_all_pings() {
 	if ( is_array($trackbacks) )
 		foreach ( $trackbacks as $trackback )
 			do_trackbacks($trackback);
-
-	//Do Update Services/Generic Pings
-	generic_ping();
 }
 
 /**