Remove remaining unused lustre capability structures and
defines.

Test-Parameters: trivial
Signed-off-by: Mikhail Pershin <mpershin@whamcloud.com>
Change-Id: Iebd5bf87537c19fb30804adaf623c185983c351b
Reviewed-on: https://review.whamcloud.com/37895


Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Oleg Drokin <green@whamcloud.com>