Removed comment

Author: kattni

examples/ir_transmit.py

@@ -8,7 +8,6 @@
 # Create a button object to trigger IR transmit
 button = digitalio.DigitalInOut(board.D4)
 button.direction = digitalio.Direction.INPUT
-# This is for CPX. For an external button
 button.pull = digitalio.Pull.DOWN
 
 # Create a 'pulseio' output, to send infrared signals on the IR transmitter @ 38KHz