Fix prexisting villagers getting rid of job clothes

mods/ENTITIES/mcl_mobs/api.lua

@@ -4096,6 +4096,11 @@ local mob_activate = function(self, staticdata, def, dtime)
 			self.on_spawn_run = true --  if true, set flag to run once only
 		end
 	end
+
+	if not self.wears_armor and self.armor_list then
+		self.armor_list = nil
+	end
+
 	if not self._run_armor_init and self.wears_armor then
 		self.armor_list={helmet="",chestplate="",boots="",leggings=""}
 		set_armor_texture(self)