Revert "why can't i repro?!"

This reverts commit 0435d218f7.

selfdrive/car/card.py

@@ -96,7 +96,7 @@ class Car:
       cached_params_raw = self.params.get("CarParamsCache")
       if cached_params_raw is not None:
         with car.CarParams.from_bytes(cached_params_raw) as _cached_params:
-          cached_params = _cached_params
+          cached_params = structs.CarParams(carName=_cached_params.carName, carFw=_cached_params.carFw, carVin=_cached_params.carVin)
 
       self.CI = get_car(*self.can_callbacks, obd_callback(self.params), experimental_long_allowed, num_pandas, cached_params)
       self.RI = get_radar_interface(self.CI.CP)