Btrfs: remove unused write cache pages hook

The btree inode has it's own write cache pages so we can remove this write
cache pages hook as it's not used.  Thanks,

Signed-off-by: Josef Bacik <jbacik@fusionio.com>
This commit is contained in:
Josef Bacik 2012-09-14 13:51:53 -04:00 • committed by Chris Mason
commit 892951a92e