Setup: also delete old disabled worlds

setup.py

@@ -370,6 +370,10 @@ def run(self):
         assert not non_apworlds - set(AutoWorldRegister.world_types), \
             f"Unknown world {non_apworlds - set(AutoWorldRegister.world_types)} designated for .apworld"
         folders_to_remove: typing.List[str] = []
+        disabled_worlds_folder = "worlds_disabled"
+        for entry in os.listdir("worlds_disabled"):
+            if os.path.isdir(os.path.join(disabled_worlds_folder, entry)):
+                folders_to_remove.append(entry)
         generate_yaml_templates(self.buildfolder / "Players" / "Templates", False)
         for worldname, worldtype in AutoWorldRegister.world_types.items():
             if worldname not in non_apworlds: