pybricks: remove non-EV3 APIs

This is the v2 branch which only supports EV3. Removing the extra APIs
will prevent them from showing up when this library is used for code
completion.

pybricks/parameters.py

@@ -155,40 +155,3 @@ class Button(_PybricksEnum):
     UP = 8
     BEACON = 8
     RIGHT_UP = 9
-
-
-class Axis(_PybricksEnum):
-    """Unit axes of a coordinate system.
-
-    .. data:: X
-    .. data:: Y
-    .. data:: Z
-
-    Some methods let you measure along all axes at once:
-
-    .. data:: ALL
-    """
-    X = (1, 0, 0)
-    Y = (0, 1, 0)
-    Z = (0, 0, 1)
-    ALL = None
-
-
-class Side(_PybricksEnum):
-    """Sides or face of a device such as a hub or a sensor. Such devices are
-    usually shaped like a rectangular box with six of the following sides:
-
-    .. data:: TOP
-    .. data:: BOTTOM
-    .. data:: FRONT
-    .. data:: BACK
-    .. data:: LEFT
-    .. data:: RIGHT
-    """
-
-    RIGHT = 6
-    FRONT = 0
-    TOP = 8
-    LEFT = 4
-    BACK = 5
-    BOTTOM = 2