btrfs: fix printing of mount info messages for NODATACOW/NODATASUM

commit 74857fdc upstream.

The NODATASUM message was printed twice by mistake and the NODATACOW was
missing from the 'unset' part.  Fix the duplication and make the output
look the same.

Fixes: eddb1a43 ("btrfs: add reconfigure callback for fs_context")
CC: stable@vger.kernel.org # 6.8+
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Kyoji Ogasawara <sawara04.o@gmail.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>