mod: rem unused 'd' command code

Author: eigen-value

arduino_alvik/arduino_alvik.py

@@ -597,9 +597,6 @@ def _parse_message(self) -> int:
         elif code == ord('p'):
             # battery percentage
             _, self._battery_perc = self._packeter.unpacketC1F()
-        elif code == ord('d'):
-            # distance sensor
-            _, self._left_tof, self._center_tof, self._right_tof = self._packeter.unpacketC3I()
         elif code == ord('t'):
             # touch input
             _, self._touch_byte = self._packeter.unpacketC1B()