Redo how animation metadata is stored

Better fix than just copying Skyrat further

code/game/objects/items/bodybag.dm

@@ -26,7 +26,6 @@
 	closet_appearance = null
 	open_sound = 'sound/items/zip.ogg'
 	close_sound = 'sound/items/zip.ogg'
-	door_anim_time = 0 //Unsupported
 	var/item_path = /obj/item/bodybag
 	density = FALSE
 	storage_capacity = (MOB_MEDIUM * 2) - 1

code/game/objects/items/poi_items.dm

@@ -65,7 +65,6 @@
 	closet_appearance = null
 	catalogue_data = list(/datum/category_item/catalogue/information/objects/oldreactor)
 	climbable = FALSE
-	door_anim_time = 0 //Unsupported
 
 	starts_with = list(
 		/obj/item/weapon/fuel_assembly/deuterium = 6)