staging: comedi: usbdux: remove unnecessary check in usbdux_ao_cmd()

This check is not necessary. The cmd->chanlist_len will always be
less than or equal to the subdevice len_chanlist that was setup
during the attach of the device.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/usbdux.c

@@ -1080,9 +1080,6 @@ static int usbdux_ao_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
 	for (i = 0; i < cmd->chanlist_len; ++i) {
 		unsigned int chan = CR_CHAN(cmd->chanlist[i]);
 
-		if (i >= NUMOUTCHANNELS)
-			break;
-
 		devpriv->dac_commands[i] = chan << 6;
 	}