Submit function for the 'Cancel account' button on the user edit form.
function user_edit_cancel_submit($form, &$form_state) {
$destination = array();
if (isset($_GET['destination'])) {
$destination = drupal_get_destination();
unset($_GET['destination']);
}
// Note: We redirect from user/uid/edit to user/uid/cancel to make the tabs disappear.
$form_state['redirect'] = array(
"user/" . $form['#user']->uid . "/cancel",
array(
'query' => $destination,
),
);
}