Hyundai: move unused cars to dashcam only (#23767)

* Move OptimaH to dashcamOnly

* Elantra GT also has no users for a year

* Update selfdrive/car/hyundai/interface.py

Co-authored-by: Adeeb Shihadeh <adeebshihadeh@gmail.com>

selfdrive/car/hyundai/interface.py

@@ -30,6 +30,11 @@ class CarInterface(CarInterfaceBase):
 
     ret.pcmCruise = not ret.openpilotLongitudinalControl
 
+    # These cars have been put into dashcam only due to both a lack of users and test coverage.
+    # These cars likely still work fine. Once a user confirms each car works and a test route is
+    # added to selfdrive/test/test_routes, we can remove it from this list.
+    ret.dashcamOnly = candidate in {CAR.KIA_OPTIMA_H, CAR.ELANTRA_GT_I30}
+
     ret.steerActuatorDelay = 0.1  # Default delay
     ret.steerRateCost = 0.5
     ret.steerLimitTimer = 0.4