Eliminate duplicate $Id$ tag.

mod/quiz/attempt.php

@@ -1,15 +1,14 @@
 <?php  // $Id$
 /**
-* This page prints a particular instance of quiz
-*
-* @version $Id$
-* @author Martin Dougiamas and many others. This has recently been completely
-*         rewritten by Alex Smith, Julian Sedding and Gustav Delius as part of
-*         the Serving Mathematics project
-*         {@link http://maths.york.ac.uk/serving_maths}
-* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
-* @package quiz
-*/
+ * This page prints a particular instance of quiz
+ *
+ * @author Martin Dougiamas and many others. This has recently been completely
+ *         rewritten by Alex Smith, Julian Sedding and Gustav Delius as part of
+ *         the Serving Mathematics project
+ *         {@link http://maths.york.ac.uk/serving_maths}
+ * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
+ * @package quiz
+ */
 
     require_once("../../config.php");
     require_once("locallib.php");

mod/quiz/comment.php

@@ -1,11 +1,10 @@
 <?php  // $Id$
 /**
-* This page prints a review of a particular question attempt
-*
-* @version $Id$
-* @license http://www.gnu.org/copyleft/gpl.html GNU Public License
-* @package quiz
-*/
+ * This page prints a review of a particular question attempt
+ *
+ * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
+ * @package quiz
+ */
 
     require_once('../../config.php');
     require_once('locallib.php');