Refactors monkeys into a species (#55614)

Changes monkeys from carbon subtype to species.

code/game/objects/structures/petrified_statue.dm

@@ -86,14 +86,6 @@
 	S.add_atom_colour(newcolor, FIXED_COLOUR_PRIORITY)
 	return TRUE
 
-/mob/living/carbon/monkey/petrify(statue_timer)
-	if(!isturf(loc))
-		return FALSE
-	var/obj/structure/statue/petrified/S = new(loc, src, statue_timer)
-	S.name = "statue of a monkey"
-	S.icon_state = "monkey"
-	return TRUE
-
 /mob/living/simple_animal/pet/dog/corgi/petrify(statue_timer)
 	if(!isturf(loc))
 		return FALSE

code/game/objects/structures/tables_racks.dm

@@ -594,7 +594,7 @@
 	get_patient()
 	if(!patient)
 		return FALSE
-	if(ishuman(patient) ||  ismonkey(patient))
+	if(ishuman(patient))
 		return TRUE
 	return FALSE