staging: comedi: dt2811: remove unused define

This define is not used by the driver. Remove it.
Signed-off-by: NH Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: NIan Abbott <abbotti@mev.co.uk>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/comedi/drivers/dt2811.c

@@ -168,8 +168,6 @@ static const struct comedi_lrange dt2811_ao_ranges = {
 	}
 };
 
-#define TIMEOUT 10000
-
 struct dt2811_board {
 	const char *name;
 	unsigned int is_pgh:1;