fix: remove duplicate import in test_scheduler_header.py

Author: fgogolli

tests/integration/api/test_scheduler_header.py

@@ -164,7 +164,7 @@ class TestSchedulerHeaderNotWiredInRoutes:
     @pytest.fixture
     def app_with_real_routes(self):
         """FastAPI app with real routers and overridden dependencies."""
-        import orb.api.dependencies as deps
+        import orb.api.dependencies as deps  # noqa: F401 — needed for dependency_overrides key
         from orb.api.server import create_fastapi_app
         from orb.config.schemas.server_schema import AuthConfig, ServerConfig