sim: fix "msg not found" errors (#35903)

* garbage-collect CRUISE_PARAMS

* follow GEARBOX message refactor

tools/sim/lib/simulated_car.py

@@ -46,7 +46,7 @@ class SimulatedCar:
 
     msg.append(self.packer.make_can_msg("SCM_BUTTONS", 0, {"CRUISE_BUTTONS": simulator_state.cruise_button}))
 
-    msg.append(self.packer.make_can_msg("GEARBOX", 0, {"GEAR": 4, "GEAR_SHIFTER": 8}))
+    msg.append(self.packer.make_can_msg("GEARBOX_AUTO", 0, {"GEAR_SHIFTER": 4}))
     msg.append(self.packer.make_can_msg("GAS_PEDAL_2", 0, {}))
     msg.append(self.packer.make_can_msg("SEATBELT_STATUS", 0, {"SEATBELT_DRIVER_LATCHED": 1}))
     msg.append(self.packer.make_can_msg("STEER_STATUS", 0, {"STEER_TORQUE_SENSOR": simulator_state.user_torque}))
@@ -56,7 +56,6 @@ class SimulatedCar:
     msg.append(self.packer.make_can_msg("STEER_MOTOR_TORQUE", 0, {}))
     msg.append(self.packer.make_can_msg("EPB_STATUS", 0, {}))
     msg.append(self.packer.make_can_msg("DOORS_STATUS", 0, {}))
-    msg.append(self.packer.make_can_msg("CRUISE_PARAMS", 0, {}))
     msg.append(self.packer.make_can_msg("CRUISE", 0, {}))
     msg.append(self.packer.make_can_msg("CRUISE_FAULT_STATUS", 0, {}))
     msg.append(self.packer.make_can_msg("SCM_FEEDBACK", 0,