Zillion: change test detection for running tests with multiprocessing (#2243)

worlds/zillion/config.py

@@ -2,20 +2,3 @@ import os
 
 base_id = 8675309
 zillion_map = os.path.join(os.path.dirname(__file__), "empty-zillion-map-row-col-labels-281.png")
-
-
-def detect_test() -> bool:
-    """
-    Parts of generation that are in unit tests need the rom.
-    This is to detect whether we are running unit tests
-    so we can work around the need for the rom.
-    """
-    import __main__
-    try:
-        if "test" in __main__.__file__:
-            return True
-    except AttributeError:
-        # In some environments, __main__ doesn't have __file__
-        # We'll assume that's not unit tests.
-        pass
-    return False