greybus: gpio-gb: remove unused status field from struct gb_gpio_get_value_request

probably a cut and paste error got this unused status field. remove it.
Signed-off-by: Matt Porter <mporter@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

drivers/staging/greybus/gpio-gb.c

@@ -105,7 +105,6 @@ struct gb_gpio_direction_out_response {
 };
 
 struct gb_gpio_get_value_request {
-	__u8	status;
 	__u8	which;
 };
 struct gb_gpio_get_value_response {