Convert a fuck ton of machines to Initialize() (#2985)

Needs testing, but shouldn't break anything. Also adds Destroy() to the SMES base class.

code/modules/power/singularity/collector.dm

@@ -17,8 +17,8 @@ var/global/list/rad_collectors = list()
 	var/locked = 0
 	var/drainratio = 1
 
-/obj/machinery/power/rad_collector/New()
-	..()
+/obj/machinery/power/rad_collector/Initialize()
+	. = ..()
 	rad_collectors += src
 
 /obj/machinery/power/rad_collector/Destroy()

code/modules/power/singularity/field_generator.dm

@@ -28,8 +28,8 @@ field_generator power level display
 	var/power = 30000  // Current amount of power
 	var/state = 0
 	var/warming_up = 0
-	var/list/obj/machinery/containment_field/fields
-	var/list/obj/machinery/field_generator/connected_gens
+	var/list/obj/machinery/containment_field/fields = list()
+	var/list/obj/machinery/field_generator/connected_gens = list()
 	var/clean_up = 0
 
 	//If keeping field generators powered is hard then increase the emitter active power usage.
@@ -52,12 +52,6 @@ field_generator power level display
 	if(level)
 		add_overlay("+p[level]")
 
-/obj/machinery/field_generator/New()
-	..()
-	fields = list()
-	connected_gens = list()
-	return
-
 /obj/machinery/field_generator/machinery_process()
 	if(Varedit_start == 1)
 		if(active == 0)

code/modules/power/singularity/particle_accelerator/particle_control.dm

@@ -21,11 +21,11 @@
 	var/parts = null
 	var/datum/wires/particle_acc/control_box/wires = null
 
-/obj/machinery/particle_accelerator/control_box/New()
+/obj/machinery/particle_accelerator/control_box/Initialize()
 	wires = new(src)
 	connected_parts = list()
 	active_power_usage = initial(active_power_usage) * (strength + 1)
-	..()
+	. = ..()
 
 /obj/machinery/particle_accelerator/control_box/Destroy()
 	if(active)