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/modules/mob/mob.dm

@@ -73,7 +73,7 @@
 				msg = alt_msg
 				type = alt_type
 
-		if(type & 2 && ear_deaf)//Hearing related
+		if(type & 2 && !can_hear())//Hearing related
 			if(!alt_msg)
 				return
 			else
@@ -972,10 +972,6 @@
 			set_eye_damage(var_value)
 		if("eye_blurry")
 			set_blurriness(var_value)
-		if("ear_deaf")
-			setEarDamage(-1, var_value)
-		if("ear_damage")
-			setEarDamage(var_value, -1)
 		if("maxHealth")
 			updatehealth()
 		if("resize")
@@ -1013,4 +1009,4 @@
 	switch(var_name)
 		if("logging")
 			return debug_variable(var_name, logging, 0, src, FALSE)
-	. = ..()
+	. = ..()