Made the effects of EMP pulses get garbage collected. Less lag on the singularity (around 20 effect del per 5~10 seconds)

code/game/objects/effects/effect_system.dm

@@ -30,7 +30,7 @@ would spawn and follow the beaker, even if it is carried or thrown.
 	mouse_opacity = 0
 	var/amount = 8.0
 
-/obj/effect/effect/proc/delete()
+/obj/effect/proc/delete()
 	loc = null
 	return
 

code/game/objects/empulse.dm

@@ -15,7 +15,7 @@ proc/empulse(turf/epicenter, heavy_range, light_range, log=0)
 		pulse.name = "emp pulse"
 		pulse.anchored = 1
 		spawn(20)
-			del(pulse)
+			pulse.delete()
 
 	if(heavy_range > light_range)
 		light_range = heavy_range

code/game/objects/items/devices/chameleonproj.dm

@@ -40,7 +40,7 @@
 			var/obj/effect/overlay/T = new/obj/effect/overlay(get_turf(src))
 			T.icon = 'icons/effects/effects.dmi'
 			flick("emppulse",T)
-			spawn(8) del(T)
+			spawn(8) T.delete()
 		else
 			playsound(src, 'sound/effects/pop.ogg', 100, 1, 1)
 			var/obj/O = new saved_item(src)
@@ -59,7 +59,7 @@
 			var/obj/effect/overlay/T = new/obj/effect/overlay(get_turf(src))
 			T.icon = 'icons/effects/effects.dmi'
 			flick("emppulse",T)
-			spawn(8) del(T)
+			spawn(8) T.delete()
 
 	proc/disrupt()
 		if(active_dummy)

code/game/objects/items/tk_grab.dm

@@ -92,7 +92,7 @@
 		O.icon_state = "nothing"
 		flick("empdisable",O)
 		spawn(5)
-			del(O)
+			O.delete()
 		return