btrfs: scrub: remove local copy of csum_size from context

The context structure unnecessarily stores copy of the checksum size,
that can be now easily obtained from fs_info.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2020-06-30 17:44:49 +02:00
commit 2ae0c2d80d