ss atoms update (#17529)

* draft ss atoms update

* .

* .

* .

* low wall

* do that when not asleep

* late init handling

* .

* smes

* try this

code/game/objects/effects/explosion_particles.dm

@@ -9,7 +9,6 @@
 /obj/effect/expl_particles/Initialize(mapload)
 	. = ..()
 	QDEL_IN(src, 1.5 SECONDS)
-	return
 
 /datum/effect/system/expl_particles
 	var/number = 10
@@ -44,7 +43,6 @@
 /obj/effect/explosion/Initialize(mapload)
 	. = ..()
 	QDEL_IN(src, 1 SECOND)
-	return
 
 /datum/effect/system/explosion
 	var/turf/location

code/game/objects/effects/landmarks.dm

@@ -92,8 +92,6 @@
 	. = ..()
 	tag = "start*[name]"
 
-	return 1
-
 /obj/effect/landmark/forbidden_level
 	delete_me = TRUE