-removed coughedtime from mob_defines.dm and added smoke_delay to living_defines.dm

-fading out smoke finally works
-removed the spawns in smoke code it now uses process()
-sleeping smoke uses Sleeping() instead of AdjustSleeping()

code/modules/mob/living/living_defines.dm

@@ -43,6 +43,8 @@
 	var/list/icon/pipes_shown = list()
 	var/last_played_vent
 
+	var/smoke_delay = 0 //used to prevent spam with smoke reagent reaction on mob.
+
 	var/step_count = 0
 
 	var/list/butcher_results = null

code/modules/mob/mob_defines.dm

@@ -100,8 +100,6 @@
 
 	var/in_throw_mode = 0
 
-	var/coughedtime = null
-
 	var/emote_cd = 0		// Used to supress emote spamming. 1 if on CD, 2 if disabled by admin (manually set), else 0
 
 	var/job = null//Living