Remove kobold.dm

This file has no sprites and is used nowhere. It does have some kinda cute emotes but without sprites it's useless and has been since 2017 and maybe much longer. I haven't found any references of it's origin either.
~~maybe virgo will do sprites i dunno~~

code/modules/mob/living/simple_animal/humanoids/kobold.dm

@@ -1,43 +0,0 @@
-//kobold
-/mob/living/simple_animal/kobold
-	name = "kobold"
-	desc = "A small, rat-like creature."
-	icon = 'icons/mob/mob.dmi'
-	icon_state = "kobold_idle"
-	icon_living = "kobold_idle"
-	icon_dead = "kobold_dead"
-	intelligence_level = SA_HUMANOID
-
-	run_at_them = 0
-	cooperative = 1
-
-	turns_per_move = 5
-	see_in_dark = 6
-
-	response_help  = "pets"
-	response_disarm = "gently pushes aside"
-	response_harm   = "kicks"
-
-	min_oxy = 16 //Require atleast 16kPA oxygen
-	minbodytemp = 223		//Below -50 Degrees Celcius
-	maxbodytemp = 323	//Above 50 Degrees Celcius
-
-	speak_chance = 5
-	speak = list("You no take candle!","Ooh, pretty shiny.","Me take?","Where gold here...","Me likey.")
-	speak_emote = list("mutters","hisses","grumbles")
-	emote_hear = list("mutters under it's breath.","grumbles.", "yips!")
-	emote_see = list("looks around suspiciously.", "scratches it's arm.","putters around a bit.")
-
-	meat_type = /obj/item/weapon/reagent_containers/food/snacks/meat/monkey
-
-/mob/living/simple_animal/kobold/Life()
-	. = ..()
-	if(!.) return
-
-	if(prob(5))
-		flick("kobold_act",src)
-
-/mob/living/simple_animal/kobold/Move(var/dir)
-	..()
-	if(!stat)
-		flick("kobold_walk",src)