Remove unused species_fit and move chameleon file

code/game/objects/items.dm

@@ -89,7 +89,6 @@ var/global/image/fire_overlay = image("icon" = 'icons/goonstation/effects/fire.d
 	var/list/sprite_sheets = null
 	var/icon_override = null  //Used to override hardcoded clothing dmis in human clothing proc.
 	var/sprite_sheets_obj = null //Used to override hardcoded clothing inventory object dmis in human clothing proc.
-	var/list/species_fit = null //This object has a different appearance when worn by these species
 
 	var/trip_verb = TV_TRIP
 	var/trip_chance = 0

code/game/objects/items/weapons/cigs.dm

@@ -31,7 +31,6 @@ LIGHTERS ARE IN LIGHTERS.DM
 	var/lastHolder = null
 	var/smoketime = 300
 	var/chem_volume = 30
-	species_fit = list("Vox", "Unathi", "Tajaran", "Vulpkanin", "Grey")
 	sprite_sheets = list(
 		"Vox" = 'icons/mob/species/vox/mask.dmi',
 		"Unathi" = 'icons/mob/species/unathi/mask.dmi',

code/game/objects/items/weapons/defib.dm

@@ -11,7 +11,6 @@
 	w_class = WEIGHT_CLASS_BULKY
 	origin_tech = "biotech=4"
 	actions_types = list(/datum/action/item_action/toggle_paddles)
-	species_fit = list("Vox")
 	sprite_sheets = list(
 		"Vox" = 'icons/mob/species/vox/back.dmi'
 		)

code/game/objects/items/weapons/storage/backpack.dm

@@ -17,7 +17,6 @@
 	storage_slots = 21
 	burn_state = FLAMMABLE
 	burntime = 20
-	species_fit = list("Vox")
 	sprite_sheets = list(
 		"Vox" = 'icons/mob/species/vox/back.dmi'
 		)