staging: comedi: amplc_dio200.h: remove 'mainsize' from boardinfo

This member of the boardinfo is not used by the drivers. Remove it.
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/amplc_dio200.h

@@ -49,7 +49,6 @@ struct dio200_board {
 	struct dio200_layout layout;
 	unsigned char mainbar;
 	unsigned char mainshift;
-	unsigned int mainsize;
 };
 
 int amplc_dio200_common_attach(struct comedi_device *dev, unsigned int irq,