Removed the unused setting 'session.payload'.

Signed-off-by: Isern Palaus <ipalaus@ipalaus.es>

app/config/session.php

@@ -122,17 +122,4 @@ return array(
 
 	'domain' => null,
 
-	/*
-	|--------------------------------------------------------------------------
-	| Session Payload Cookie Name
-	|--------------------------------------------------------------------------
-	|
-	| When using the "cookie" session driver, you may configure the name of
-	| the cookie used as the session "payload". This cookie actually has
-	| the encrypted session data stored within it for the application.
-	|
-	*/
-
-	'payload' => 'laravel_payload',
-
 );