Fix code review issues (planetary_atmos and Initialize())

code/game/objects/effects/decals/decal.dm

@@ -3,8 +3,8 @@
 	icon_state = "warningline"
 	layer = TURF_DECAL_LAYER
 
-/obj/effect/turf_decal/Initialize()
-	..()
+/obj/effect/turf_decal/Initialize(mapload)
+	. = ..()
 	qdel(src) // return INITIALIZE_HINT_QDEL <-- Doesn't work
 
 /obj/effect/turf_decal/ComponentInitialize()

code/game/objects/effects/mapping_helpers.dm

@@ -7,11 +7,7 @@
 
 	layer = POINT_LAYER
 
-/obj/effect/baseturf_helper/Initialize()
-	. = ..()
-	return INITIALIZE_HINT_LATELOAD
-
-/obj/effect/baseturf_helper/Initialize()
+/obj/effect/baseturf_helper/Initialize(mapload)
 	. = ..()
 	var/area/thearea = get_area(src)
 	for(var/turf/T in get_area_turfs(thearea, z))
@@ -63,7 +59,7 @@
 	icon_state = ""
 	var/late = FALSE
 
-/obj/effect/mapping_helpers/Initialize()
+/obj/effect/mapping_helpers/Initialize(mapload)
 	..()
 	return late ? INITIALIZE_HINT_LATELOAD : qdel(src) // INITIALIZE_HINT_QDEL <-- Doesn't work
 

code/game/objects/items/weapons/melee/misc.dm

@@ -75,7 +75,7 @@
 	//Things in this list will be instantly splatted.  Flyman weakness is handled in the flyman species weakness proc.
 	var/list/strong_against
 
-/obj/item/melee/flyswatter/Initialize()
+/obj/item/melee/flyswatter/Initialize(mapload)
 	. = ..()
 	strong_against = typecacheof(list(
 					/mob/living/simple_animal/hostile/poison/bees/,