Removed uneeded wrapper element from namespace tab on admin config.

includes/admin.form.inc

@@ -59,10 +59,6 @@ function islandora_repository_admin(array $form, array &$form_state) {
       'islandora_namespace' => array(
         '#type' => 'fieldset',
         '#title' => t('Namespaces'),
-        'wrapper' => array(
-          '#type' => 'markup',
-          '#prefix' => '<div id="islandora-namespace">',
-          '#suffix' => '</div>',
         'islandora_namespace_restriction_enforced' => array(
           '#type' => 'checkbox',
           '#title' => t('Enforce namespace restrictions'),
@@ -82,7 +78,6 @@ function islandora_repository_admin(array $form, array &$form_state) {
         ),
       ),
     ),
-    ),
   );
   return system_settings_form($form);
 }