doc/*/light: update to double colon reference

This lets us drop the instances hack

doc/api/hubs_cityhub.inc

@@ -5,9 +5,9 @@
 
     .. rubric:: Using the hub status light
 
-    .. automethod:: pybricks._instances.light.on
+    .. automethod:: pybricks.hubs::CityHub.light.on
 
-    .. automethod:: pybricks._instances.light.off
+    .. automethod:: pybricks.hubs::CityHub.light.off
 
     .. rubric:: Using the battery
 

doc/api/hubs_ev3brick.inc

@@ -7,7 +7,7 @@
 
     .. rubric:: Using the brick status light
 
-    .. automethod:: pybricks._instances.light.on
+    .. automethod:: pybricks.hubs::EV3Brick.light.on
 
         .. toggle-header::
             :header: **Show/hide example**
@@ -16,7 +16,7 @@
 
             .. literalinclude:: ../../pybricks-projects/snippets/ev3/light_color/main.py
 
-    .. automethod:: pybricks._instances.light.off
+    .. automethod:: pybricks.hubs::EV3Brick.light.off
 
     .. rubric:: Using the speaker
 

doc/api/hubs_movehub.inc

@@ -3,9 +3,9 @@
 
     .. rubric:: Using the hub status light
 
-    .. automethod:: pybricks._instances.light.on
+    .. automethod:: pybricks.hubs::MoveHub.light.on
 
-    .. automethod:: pybricks._instances.light.off
+    .. automethod:: pybricks.hubs::MoveHub.light.off
 
     .. rubric:: Using the battery
 

doc/api/pupdevices.rst

@@ -72,9 +72,9 @@ Color and Distance Sensor
     it off. If you use the sensor to measure something afterwards, the light
     automatically turns back on at the default color for that sensing method.
 
-    .. automethod:: pybricks._instances.light.on
+    .. automethod:: pybricks.pupdevices::ColorDistanceSensor.light.on
 
-    .. automethod:: pybricks._instances.light.off
+    .. automethod:: pybricks.pupdevices::ColorDistanceSensor.light.off
 
 
 Tilt Sensor
@@ -98,8 +98,8 @@ Remote Control
 .. autoclass:: pybricks.pupdevices.RemoteControl
     :no-members:
 
-    .. automethod:: pybricks._instances.light.on
+    .. automethod:: pybricks.pupdevices::RemoteControl.light.on
 
-    .. automethod:: pybricks._instances.light.off
+    .. automethod:: pybricks.pupdevices::RemoteControl.light.off
 
     .. automethod:: pybricks._instances.buttons.pressed

pybricks/_instances.py

@@ -1,6 +1,6 @@
 """Sphinx workaround to document instance attributes such as self.light"""
 
-from .builtins import Motor, Battery, ColorLight, KeyPad, LightArray
+from .builtins import Motor, KeyPad, LightArray
 from .parameters import Direction, Stop
 from types import ModuleType
 
@@ -15,12 +15,11 @@ def make_instance(classdef):
     return mod
 
 
-light = make_instance(ColorLight)
-
 lights = make_instance(LightArray)
 
 buttons = make_instance(KeyPad)
 
+
 class Motor(Motor):
     """Generic class to control motors with built-in rotation sensors."""
 

pybricks/pupdevices.py

@@ -11,6 +11,9 @@ class Motor(CommonMotor):
 class RemoteControl():
     """LEGO® Powered Up Bluetooth Remote Control/Handset (6214560)"""
 
+    light = ColorLight()
+    buttons = KeyPad()
+
     def __init__(self, device=None, timeout=10000):
         """Connect the handset to the hub.
 
@@ -22,8 +25,7 @@ class RemoteControl():
             timeout (:ref:`time`): The amount of time before giving up
                  searching.
         """
-        self.buttons = KeyPad()
-        self.light = ColorLight()
+        pass
 
 
 class TiltSensor(Accelerometer):
@@ -41,13 +43,14 @@ class TiltSensor(Accelerometer):
 class ColorDistanceSensor():
     """LEGO® Powered Up Color and Distance Sensor (?/6182145)"""
 
+    light = ColorLight()
+
     def __init__(self, port):
         """ColorDistanceSensor(port)
 
         Arguments:
             port (Port): Port to which the sensor is connected.
         """
-        self.light = ColorLight()
         pass
 
     def color(self):