VW MQB: Remove metric units detection (#24280)

old-commit-hash: a959650f3dac9aaa4d9438f3126f5c34d35b3c62

selfdrive/car/volkswagen/carstate.py

@@ -74,11 +74,6 @@ class CarState(CarStateBase):
     # Update seatbelt fastened status.
     ret.seatbeltUnlatched = pt_cp.vl["Airbag_02"]["AB_Gurtschloss_FA"] != 3
 
-    # Update driver preference for metric. VW stores many different unit
-    # preferences, including separate units for for distance vs. speed.
-    # We use the speed preference for OP.
-    self.displayMetricUnits = not pt_cp.vl["Einheiten_01"]["KBI_MFA_v_Einheit_02"]
-
     # Consume blind-spot monitoring info/warning LED states, if available.
     # Infostufe: BSM LED on, Warnung: BSM LED flashing
     if self.CP.enableBsm:
@@ -176,7 +171,6 @@ class CarState(CarStateBase):
       ("EPS_HCA_Status", "LH_EPS_03"),           # EPS HCA control status
       ("ESP_Tastung_passiv", "ESP_21"),          # Stability control disabled
       ("ESP_Haltebestaetigung", "ESP_21"),       # ESP hold confirmation
-      ("KBI_MFA_v_Einheit_02", "Einheiten_01"),  # MPH vs KMH speed display
       ("KBI_Handbremse", "Kombi_01"),            # Manual handbrake applied
       ("TSK_Status", "TSK_06"),                  # ACC engagement status from drivetrain coordinator
       ("GRA_Hauptschalter", "GRA_ACC_01"),       # ACC button, on/off
@@ -207,7 +201,6 @@ class CarState(CarStateBase):
       ("Airbag_02", 5),     # From J234 Airbag control module
       ("Kombi_01", 2),      # From J285 Instrument cluster
       ("Blinkmodi_02", 1),  # From J519 BCM (sent at 1Hz when no lights active, 50Hz when active)
-      ("Einheiten_01", 1),  # From J??? not known if gateway, cluster, or BCM
     ]
 
     if CP.transmissionType == TransmissionType.automatic:

selfdrive/car/volkswagen/interface.py

@@ -10,7 +10,6 @@ class CarInterface(CarInterfaceBase):
   def __init__(self, CP, CarController, CarState):
     super().__init__(CP, CarController, CarState)
 
-    self.displayMetricUnitsPrev = None
     self.buttonStatesPrev = BUTTON_STATES.copy()
 
     if CP.networkLocation == NetworkLocation.fwdCamera:
@@ -194,7 +193,6 @@ class CarInterface(CarInterfaceBase):
     ret.buttonEvents = buttonEvents
 
     # update previous car states
-    self.displayMetricUnitsPrev = self.CS.displayMetricUnits
     self.buttonStatesPrev = self.CS.buttonStates.copy()
 
     return ret