Code from slide 45 of "Tailor your backend to meet the clients needs" - remove items from vertical tabs, and add them to another fieldset

tailor_your_backend_to_the_clients_needs-remove_items_from_vertial_tabs_and_add_to_another_fieldset.php

<?php
/**  Text from slide 45 of "Tailor your backend to meet the clients needs" 
 * http://www.slideshare.net/stevenvdhout/durable-drupal-backend
 * remove items from vertical tabs, and add them to another fieldset
 **/
if (isset($form['#groups']['group_settings'])) {
  $weight = 0;
  foreach ($form as $key => $value) {
    if(is_array($value) && isset($value['#group'])) {
      unset($form[$key]['#group']);
      $form['#group_children'][$key] = "group_settings";
      // make sure these fieldset show up at the bottom
      $form[$key]['#weight'] = 100 + $weight;
      $weight++;
      }
    }
    // make sure the actions are last
    $form['actions']['#weight'] = 100 + $weight;
  }

http://www.slideshare.net/stevenvdhout/durable-drupal-backend
https://www.youtube.com/watch?v=N0JHKi-OosM