Remove tests and alternative Python implementations

Ad discussed here:
https://github.com/coding-horror/basic-computer-games/issues/548#issuecomment-1081008471

17_Bullfight/python/test_bullfight.py

@@ -1,16 +0,0 @@
-import io
-
-from _pytest.monkeypatch import MonkeyPatch
-from bullfight import main
-
-
-def test_main(monkeypatch: MonkeyPatch) -> None:
-    instructions = "Y"
-    kill_bull = "YES"
-    kill_method = "0"
-    run_from_ring = "YES"
-    monkeypatch.setattr(
-        "sys.stdin",
-        io.StringIO(f"{instructions}\n{kill_bull}\n{kill_method}\n{run_from_ring}\n"),
-    )
-    main()