- Patch #943558 by David_Rothstein: 'block_callback()' in menu_router() table...

- Patch #943558 by David_Rothstein: 'block_callback()' in menu_router() table seems to have no purpose.

includes/menu.inc

@@ -3464,7 +3464,6 @@ function _menu_router_build($callbacks) {
       'page arguments' => array(),
       'page callback' => '',
       'delivery callback' => '',
-      'block callback' => '',
       'title arguments' => array(),
       'title callback' => 't',
       'theme arguments' => array(),

modules/system/system.api.php

@@ -1008,9 +1008,6 @@ function hook_page_build(&$page) {
  *     default parent for 'admin/people/create' is 'admin/people').
  *   - "tab_root": For local task menu items, the path of the closest non-tab
  *     item; same default as "tab_parent".
- *   - "block callback": Name of a function used to render the block on the
- *     system administration page for this item (called with no arguments).
- *     If not provided, system_admin_menu_block() is used to generate it.
  *   - "position": Position of the block ('left' or 'right') on the system
  *     administration page for this item.
  *   - "type": A bitmask of flags describing properties of the menu item.