Gamestart cleanup.

* setup_economy() was called twice.
* Game state is set to playing just before creating characters, this ensures equipment such as headsets initialize properly().
* Removes the sleep in manifest creation. Prevents duplicate manifest entries from occurring if one joins within 4 seconds of round start.

code/controllers/master_controller.dm

@@ -39,7 +39,6 @@ datum/controller/game_controller/proc/setup()
 
 	setup_objects()
 	setupgenetics()
-	setup_economy()
 	SetupXenoarch()
 
 	transfer_controller = new