commit 6880b6db2eacda570b98e1bc2f2b0ec6e738e513
Author: Andy Postnikov <apostnikov@gmail.com>
Date:   Thu Nov 1 01:53:53 2012 +0400

    get rid of menu_load_all()

diff --git a/core/modules/menu/menu.module b/core/modules/menu/menu.module
index 02c025e..05bfe7f 100644
--- a/core/modules/menu/menu.module
+++ b/core/modules/menu/menu.module
@@ -250,7 +250,6 @@ function menu_enable() {
   $base_link = db_query("SELECT mlid AS plid, menu_name FROM {menu_links} WHERE link_path = 'admin/structure/menu' AND module = 'system'")->fetchAssoc();
   $base_link['router_path'] = 'admin/structure/menu/manage/%';
   $base_link['module'] = 'menu';
-  //$result = db_query("SELECT * FROM {menu_custom}", array(), array('fetch' => PDO::FETCH_ASSOC));
   $menus = entity_load_multiple('menu');
   foreach ($menus as $menu) {
     // $link is passed by reference to menu_link_save(), so we make a copy of $base_link.
@@ -283,16 +282,6 @@ function menu_load($menu_name) {
 }
 
 /**
- * Load all custom menu data.
- *
- * @return
- *   Array of custom menu data.
- */
-function menu_load_all() {
-  return entity_load_multiple('menu');
-}
-
-/**
  * Save a custom menu.
  *
  * @param Drupal\menu\Plugin\Core\Entity\Menu $menu
@@ -839,7 +828,7 @@ function menu_form_node_type_form_alter(&$form, $form_state) {
  *   titles as the values.
  */
 function menu_get_menus($all = TRUE) {
-  if ($custom_menus = menu_load_all()) {
+  if ($custom_menus = entity_load_multiple('menu')) {
     if (!$all) {
       $custom_menus = array_diff_key($custom_menus, menu_list_system_menus());
     }