irq_poll: remove unused data and max fields

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NBart Van Assche <bart.vanassche@sandisk.com>

include/linux/irq_poll.h

@@ -7,9 +7,7 @@ typedef int (irq_poll_fn)(struct irq_poll *, int);
 struct irq_poll {
 	struct list_head list;
 	unsigned long state;
-	unsigned long data;
 	int weight;
-	int max;
 	irq_poll_fn *poll;
 };