Remover work_directory value from default config.php file, a=chris

diff --git a/configs/config.php b/configs/config.php
index 0f730de40..ee1cfdcfa 100644
--- a/configs/config.php
+++ b/configs/config.php
@@ -91,7 +91,7 @@ if(MAINTENANCE_MODE && $_SERVER["SERVER_ADDR"] != $_SERVER["REMOTE_ADDR"]) {
 if(!defined('WORK_DIRECTORY')) {
 /*+++ The next block of code is machine edited, change at
 your own risk, please use configure web page instead +++*/
-define('WORK_DIRECTORY', '/Applications/MAMP/htdocs/crawls');
+define('WORK_DIRECTORY', '');
 /*++++++*/
 // end machine edited code
 }