btrfs: Remove btrfs_file_private::trans

Now that the userspace transaction IOCTL have been removed, this member
is no longer used so just remove it

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-02-05 10:41:14 +02:00 • committed by David Sterba
commit 859e682d58