jacine

<?php

/**
 * Implements hook_page_alter().
 */
function mytheme_page_alter(&$page) {
  // Remove all the region wrappers.
  foreach (element_children($page) as $key => $region) {
    if (!empty($page[$region]['#theme_wrappers'])) {
      $page[$region]['#theme_wrappers'] = array_diff($page[$region]['#theme_wrappers'], array('region'));