doc/ev3devices, pupdevices: do not inherit Motor

Just import it. Otherwise, Sphinx does not pick up autoattribute docstrings.

pybricks/ev3devices.py

@@ -1,18 +1,7 @@
 """LEGO® MINDSTORMS® EV3 motors and sensors."""
 
 from .parameters import Direction
-from .builtins import Motor as CommonMotor
-
-
-class Motor(CommonMotor):
-    """LEGO® MINDSTORMS® EV3 Medium or Large Motor.
-
-    Element 99455/6148292 or 95658/6148278, contained in:
-
-    * 31313: LEGO® MINDSTORMS® EV3 (2013)
-    * 45544: LEGO® MINDSTORMS® Education EV3 Core Set (2013)
-    * 45503 or 45502: Separate part (2013)
-    """
+from .builtins import Motor
 
 
 class TouchSensor():
@@ -222,6 +211,9 @@ class GyroSensor():
     def reset_angle(self, angle):
         """Set the rotation angle of the sensor to a desired value.
 
+        If you don't specify an angle, the absolute value will be used if
+        available.
+
         Arguments:
             angle (:ref:`angle`): Value to which the angle should be reset.
         """

pybricks/pupdevices.py

@@ -1,21 +1,7 @@
 """LEGO® Powered Up motor, sensors, and lights."""
 
 from .builtins import KeyPad, Accelerometer, ColorLight
-from .builtins import Motor as CommonMotor
-
-
-class Motor(CommonMotor):
-    """LEGO® Powered Up Motors"""
-
-    def reset_angle(self, angle):
-        """Reset the accumulated rotation angle of the motor.
-
-        Arguments:
-            angle (:ref:`angle`): Value to which the angle should be reset. If
-                                  you don't specify an angle, the absolute
-                                  value will be used if the motor supports it.
-        """
-        pass
+from .builtins import Motor
 
 
 class RemoteControl():