block: remove the max_zone_append_sectors check in blk_revalidate_disk_zones

With the lock layer zone append emulation, we are now always setting a
max_zone_append_sectors value for zoned devices and this check can't
ever trigger.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20241104073955.112324-2-hch@lst.de


Signed-off-by: Jens Axboe <axboe@kernel.dk>