删除dedecms5.6升级自动加载的dedecms织梦链接

// 获取织梦链     $cache_file = DEDEDATA.'/cache/dedelink.txt';     if(file_exists($cache_file))     {         $result = unserialize(file_get_contents($cache_file));     }     if(!isset($result['result']) OR $result['timeout'] < time())     {         $linkUrl = DedeGetHtml("http://flink.dedecms.com/server_url.php")."flink_v56.php?lang={$cfg_soft_lang}&site={$_SERVER['SERVER_NAME']}&version=".$cfg_version;         $linkInfo = DedeGetHtml($linkUrl);                  $result = array();         $result['result'] = $linkInfo;         $result['timeout'] = time() + 60 * 60 * 3; // 缓存3个小时         file_put_contents($cache_file, serialize($result));     } else {         $linkInfo = $result['result'];     }