btrfs: scrub: remove temporary csum array in scrub_checksum_super

The page contents with the checksum is available during the entire
function so we don't need to make a copy.

Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2020-05-29 15:43:14 +02:00
commit 74710cf1fb