LU-10808 lod: remove DoM component if DoM is disabled

If file is created with DoM component but server disables
DoM file creation then remove DoM entry from file layout
and keep other components.
If layout has only DoM entry then just return error.

Signed-off-by: Mikhail Pershin <mike.pershin@intel.com>
Change-Id: Ibafd0269d76dc5de4599efca064930607dc556eb
Reviewed-on: https://review.whamcloud.com/32482


Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>