Improve performance by not creating session

This benchmark do not need sessions. Sessions in laravel is expensive !

frameworks/PHP/php-laravel/app/config/session.php

@@ -16,7 +16,7 @@ return array(
 	|
 	*/
 
-	'driver' => 'file',
+	'driver' => 'array',
 
 	/*
 	|--------------------------------------------------------------------------