btrfs: remove a no-op unfreeze superbock callback

Signed-off-by: David Sterba <dsterba@suse.cz>
Signed-off-by: Chris Mason <clm@fb.com>
This commit is contained in:
David Sterba 2015-01-20 19:05:37 +01:00 • committed by Chris Mason
commit 730a78c741