Refactors ears into organs (#513)

* Refactors ear damage into ear organs

* Update human.dm

* Update species.dm

* Delete species.dm.rej

* Update tgstation.dme

* Delete tgstation.dme.rej

* Delete human.dm.rej

* Update tongue.dm

* Delete surgery.dmi

* upload fixed surgery.dmi

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

@@ -105,7 +105,7 @@
 	throw_speed = 3
 	throw_range = 7
 	attack_verb = list("HONKED")
-	var/spam_flag = 0
+	var/next_usable = 0
 	var/honksound = 'sound/items/bikehorn.ogg'
 	var/cooldowntime = 20
 
@@ -115,18 +115,15 @@
 	return (BRUTELOSS)
 
 /obj/item/weapon/bikehorn/attack(mob/living/carbon/M, mob/living/carbon/user)
-	if(!spam_flag)
+	if(!(next_usable > world.time))
 		playsound(loc, honksound, 50, 1, -1) //plays instead of tap.ogg!
 	return ..()
 
 /obj/item/weapon/bikehorn/attack_self(mob/user)
-	if(!spam_flag)
-		spam_flag = 1
+	if(!(next_usable > world.time))
+		next_usable = world.time + cooldowntime
 		playsound(src.loc, honksound, 50, 1)
 		src.add_fingerprint(user)
-		spawn(cooldowntime)
-			spam_flag = 0
-	return
 
 /obj/item/weapon/bikehorn/Crossed(mob/living/L)
 	if(isliving(L))
@@ -156,12 +153,12 @@
 	..()
 
 /obj/item/weapon/bikehorn/golden/proc/flip_mobs(mob/living/carbon/M, mob/user)
-	if (!spam_flag)
+	if(!(next_usable > world.time))
 		var/turf/T = get_turf(src)
 		for(M in ohearers(7, T))
-			if(ishuman(M))
+			if(ishuman(M) && M.can_hear())
 				var/mob/living/carbon/human/H = M
-				if((istype(H.ears, /obj/item/clothing/ears/earmuffs)) || H.ear_deaf)
+				if(istype(H.ears, /obj/item/clothing/ears/earmuffs))
 					continue
 			M.emote("flip")