LU-6013 utils: don't initialize OSD code for client mount

LU-6013 utils: don't initialize OSD code for client mount

Don't even try to initialize the server OSD handling code if this
is a client mountpoint.  That avoids potential problems if the OSD
code isn't working or available when it isn't needed on a client.

Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Change-Id: I104b70b9d27811d306879fc047a83f85ea3ebbe5
Reviewed-on: http://review.whamcloud.com/13019
Reviewed-by: Nathaniel Clark <nathaniel.l.clark@intel.com>
Tested-by: Jenkins
Reviewed-by: Faccini Bruno <bruno.faccini@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>