remove button_Z button_C properties and fix nunchuk_simpletest.py

Author: jfurcean

adafruit_nunchuk.py

@@ -91,22 +91,6 @@ def acceleration(self):
         """The current accelerometer reading."""
         return self._acceleration()
 
-    @property
-    def button_C(self):  # pylint: disable=invalid-name
-        """
-        The current pressed state of button C.
-        """
-        print("`button_C` is deprecated. Please use the `buttons` property instead")
-        return self._buttons().C
-
-    @property
-    def button_Z(self):  # pylint: disable=invalid-name
-        """
-        The current pressed state of button Z.
-        """
-        print("`button_Z` is deprecated. Please use the `buttons` property instead")
-        return self._buttons().Z
-
     def _joystick(self, do_read=True):
         if do_read:
             self._read_data()

examples/nunchuk_simpletest.py

@@ -8,13 +8,12 @@
 nc = adafruit_nunchuk.Nunchuk(board.I2C())
 
 while True:
-    joystick, buttons, acceleration = nc.values
-    print("joystick = {},{}".format(joystick.x, joystick.y))
-    print(
-        "accceleration ax={}, ay={}, az={}".format(
-            acceleration.x, acceleration.y, acceleration.z
-        )
-    )
+    x, y = nc.joystick
+    ax, ay, az = nc.acceleration
+    print("joystick = {},{}".format(x, y))
+    print("accceleration ax={}, ay={}, az={}".format(ax, ay, az))
+
+    buttons = nc.buttons
     if buttons.C:
         print("button C")
     if buttons.Z: