LU-13814 clio: remove cp_state usage for DIO pages

LU-13814 clio: remove cp_state usage for DIO pages

DIO pages don't really go through the state transitions of
cached pages, so don't do it for them.  This is a step
towards removing cl_pages for DIO/transient pages.

Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I5b4cd52ec19c97d0a5b815fcd68958a108a3444a
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/52074
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>