Process procs now properly utilize deltatime when implementing rates, timers and probabilities (#52981)

* Process procs now properly use deltatime when implementing rates, timers and probabilities

* Review fixes

* Geiger counters cleanup

Made hardsuit geiger code more similar to geiger counter code
Geiger counters are more responsive now

* Moved SS*_DT defines to subsystems.dm

* Rebase fix

* Redefined the SS*_DT defines to use the subsystem wait vars

* Implemented suggested changes by @AnturK

* Commented /datum/proc/process about the deltatime stuff

* Send delta_time as a process parameter instead of the defines

Also DTfied acid_processing

* Dtfied new acid component

code/game/objects/structures/fireplace.dm

@@ -102,7 +102,7 @@
 		if(2000 to MAXIMUM_BURN_TIMER)
 			set_light(6)
 
-/obj/structure/fireplace/process()
+/obj/structure/fireplace/process(delta_time)
 	if(!lit)
 		return
 	if(world.time > flame_expiry_timer)
@@ -111,7 +111,7 @@
 
 	playsound(src, 'sound/effects/comfyfire.ogg',50,FALSE, FALSE, TRUE)
 	var/turf/T = get_turf(src)
-	T.hotspot_expose(700, 5)
+	T.hotspot_expose(700, 2.5 * delta_time)
 	update_icon()
 	adjust_light()