Removed close button

locallib.php

@@ -5943,7 +5943,7 @@ class ilm_manager {
    <tr><td>" . get_string('label_file_iassign', 'iassign') . " <input type='text' name='filename' size=50/>
 
      <input type=button value='" . get_string('label_write_iassign', 'iassign') . "' title='' onclick='" . $str_submitbutton_name . ";'/></td>
-     <td><input type=button value='" . get_string('close', 'iassign') . "' title='' onclick='javascript:window.location = \"$returnurl\";'/></td>
+     
    </tr>
    </table>\n";