Accessibility: fix, removed string 'today', which duplicates the calendar string.

lang/en_utf8/access.php

@@ -6,7 +6,7 @@
  * Most 'Alt' text and table summaries should go in the specific module language file.
  *
  * @copyright © 2006 The Open University
- * @author [email protected]
+ * @author [email protected], and others
  * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
  * @package  
  */
@@ -25,7 +25,6 @@ $string['skipnavigation'] = 'Skip navigation';
 $string['tabledata'] = 'Data table, $a';
 $string['tablelayout'] = 'Layout table, $a';
 $string['tocontent'] = 'Go to main content';
-$string['today'] = 'Today';
 $string['tonavigation'] = 'Go to navigation';
 $string['youarehere'] = 'You are here';