remove test modules

test_loader.py

@@ -1,2 +0,0 @@
-import worlds.loader
-print(worlds.loader.world_types)

worlds/loader.py

@@ -1,12 +0,0 @@
-import importlib
-import os
-world_types = []
-world_folder = os.path.dirname(__file__)
-for entry in os.scandir(world_folder):
-    if entry.is_dir():
-        entryname = entry.name
-        if not entryname.startswith("_"):
-            world_module = importlib.import_module("."+entry.name, package="worlds")
-            world_types.append(world_module)
-print(world_folder)
-print(world_types)