Cleans up a lot of globals a few other vars (#23246)

* i hate globals i hate globals

* more fucking of these

* sirryan review

code/modules/power/engines/singularity/collector.dm

@@ -4,8 +4,6 @@
 #define RAD_COLLECTOR_STORED_OUT 0.04	// (this * 100)% of stored power outputted per tick. Doesn't actualy change output total, lower numbers just means collectors output for longer in absence of a source
 #define RAD_COLLECTOR_OUTPUT min(stored_energy, (stored_energy * RAD_COLLECTOR_STORED_OUT) + 1000) //Produces at least 1000 watts if it has more than that stored
 
-GLOBAL_LIST_EMPTY(rad_collectors)
-
 /obj/machinery/power/rad_collector
 	name = "\improper radiation collector array"
 	desc = "A device which uses Hawking Radiation and plasma to produce power."
@@ -24,14 +22,6 @@ GLOBAL_LIST_EMPTY(rad_collectors)
 	var/drainratio = 1
 	var/powerproduction_drain = 0.001
 
-/obj/machinery/power/rad_collector/Initialize(mapload)
-	. = ..()
-	GLOB.rad_collectors += src
-
-/obj/machinery/power/rad_collector/Destroy()
-	GLOB.rad_collectors -= src
-	return ..()
-
 /obj/machinery/power/rad_collector/process()
 	if(!loaded_tank)
 		return