Revert "tests(conftest) Set git and hg configs (requires libvcs 0.32+)"

This reverts commit 44e8094.

Author: tony

conftest.py

@@ -26,15 +26,12 @@ def add_doctest_fixtures(
     if isinstance(request._pyfuncitem, DoctestItem):
         request.getfixturevalue("add_doctest_fixtures")
         request.getfixturevalue("set_home")
-        request.getfixturevalue("set_hgconfig")
-        request.getfixturevalue("set_gitconfig")
 
 
 @pytest.fixture(autouse=True)
 def setup(
     request: pytest.FixtureRequest,
-    set_gitconfig: pathlib.Path,
-    set_hgconfig: pathlib.Path,
+    gitconfig: pathlib.Path,
     set_home: pathlib.Path,
     xdg_config_path: pathlib.Path,
 ) -> None: