LU-11796 lov: Remove unnecessary assert

LU-11796 lov: Remove unnecessary assert

This is asserting on network data from the server, and
additionally, the LU-9846 (overstriping) work shows this
condition is not a problem if it does somehow occur.

Signed-off-by: Patrick Farrell <pfarrell@whamcloud.com>
Change-Id: I7b53eb63914f6e9d31a0747a40d09df9ffedaa91
Reviewed-on: https://review.whamcloud.com/33882
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: James Simmons <uja.ornl@yahoo.com>
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>