LU-14642 flr: abolish MDS transfer layout version to OST

LU-14642 flr: abolish MDS transfer layout version to OST

Quit setting layout version to OST object from MDS, and client
write request will carry the new layout version and OST object
rejects old layout version write and update new layout version
accordingly.

Lustre-change: https://review.whamcloud.com/c/45443/
Lustre-commit: TBD (from aea66b7d3fdc37d61704bd5df2a25a4747a6cce5)

Signed-off-by: Bobi Jam <bobijam@whamcloud.com>
Change-Id: I655044f69a4509a2b0cfe99f86de2ce4ee846979
Reviewed-on: https://review.whamcloud.com/45278
Tested-by: jenkins <devops@whamcloud.com>
Reviewed-by: John L. Hammond <jhammond@whamcloud.com>