Remove superfluous requires and variables from bin/indexer.php

bin/indexer.php

@@ -5,11 +5,6 @@ if ('cli' != php_sapi_name()) die();
 ini_set('memory_limit','128M');
 if(!defined('DOKU_INC')) define('DOKU_INC',realpath(dirname(__FILE__).'/../').'/');
 require_once(DOKU_INC.'inc/init.php');
-require_once(DOKU_INC.'inc/common.php');
-require_once(DOKU_INC.'inc/pageutils.php');
-require_once(DOKU_INC.'inc/search.php');
-require_once(DOKU_INC.'inc/indexer.php');
-require_once(DOKU_INC.'inc/auth.php');
 require_once(DOKU_INC.'inc/cliopts.php');
 session_write_close();
 
@@ -67,10 +62,6 @@ function _usage() {
 
 function _update(){
     global $conf;
-    global $INDEXER;
-
-    $INDEXER = idx_get_indexer();
-
     $data = array();
     _quietecho("Searching pages... ");
     search($data,$conf['datadir'],'search_allpages',array('skipacl' => true));
@@ -82,7 +73,6 @@ function _update(){
 }
 
 function _index($id){
-    global $INDEXER;
     global $CLEAR;
     global $QUIET;