Fixes mobs that aren't able to speak being able to cast spoken spells (#52054)

* Fixes wizard speaking

* defines

code/modules/mob/living/simple_animal/hostile/statue.dm

@@ -20,7 +20,6 @@
 	maxHealth = 50000
 	health = 50000
 	healable = 0
-
 	harm_intent_damage = 10
 	obj_damage = 100
 	melee_damage_lower = 68
@@ -109,6 +108,9 @@
 	if(!can_be_seen(get_turf(loc)))
 		..()
 
+/mob/living/simple_animals/hostile/statue/IsVocal() //we're a statue, of course we can't talk.
+	return FALSE
+
 /mob/living/simple_animal/hostile/statue/proc/can_be_seen(turf/destination)
 	if(!cannot_be_seen)
 		return null