Remove out of date comment

Author: PGijsbers

tests/conftest.py

@@ -102,8 +102,6 @@ async def override_userdb() -> AsyncIterator[AsyncConnection]:
     app.dependency_overrides[expdb_connection] = override_expdb
     app.dependency_overrides[userdb_connection] = override_userdb
 
-    # We do not use the Lifespan manager for now because our auto-use fixture
-    # `one_lifespan` will do setup and teardown at a session scope level instead.
     async with httpx.AsyncClient(
         transport=httpx.ASGITransport(app=app),
         base_url="http://test",