fix(pathfinder): remove trivial in/not-in registry tests for driver libnames

These just exercise Python's `in` operator against a hardcoded list
and don't provide meaningful coverage.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: cpcloud

cuda_pathfinder/tests/test_driver_lib_loading.py

@@ -24,21 +24,6 @@ def _make_loaded_dl(path, found_via):
     return LoadedDL(path, False, 0xDEAD, found_via)
 
 
-# ---------------------------------------------------------------------------
-# _DRIVER_ONLY_LIBNAMES registry
-# ---------------------------------------------------------------------------
-
-
-@pytest.mark.parametrize("libname", ["cuda", "nvml"])
-def test_driver_only_libnames_contains(libname):
-    assert libname in _DRIVER_ONLY_LIBNAMES
-
-
-@pytest.mark.parametrize("libname", ["cudart", "nvrtc", "cublas", "nvvm"])
-def test_driver_only_libnames_excludes_ctk_libs(libname):
-    assert libname not in _DRIVER_ONLY_LIBNAMES
-
-
 # ---------------------------------------------------------------------------
 # _load_driver_lib_no_cache
 # ---------------------------------------------------------------------------