Disable email notifications of post status changes

gistfile1.php

<?php
// Handy method to remove the hook for email notifications of custom post status changes
function ef_remove_post_status_notifications() {
	global $edit_flow;
	// Edit Flow originally hooks into 'transition_post_status' to know when to send custom post status notifications
	remove_action( 'transition_post_status', array( &$edit_flow->notifications, 'notification_status_change' ), 10, 3 );
}
// Hook this action into init so Edit Flow is already loaded
add_action( 'init', 'ef_remove_post_status_notifications' );
?>