bosserver: Don't check if daemon thread starts

bosserver: Don't check if daemon thread starts

We don't do anything with the return code from the LWP_CreateProcess
that starts the daemon thread, so don't bother recording it at all.

Caught by clang-analyzer

Change-Id: I9310bdd90236a90d71dc202c73d7e06ea58a31f8
Reviewed-on: http://gerrit.openafs.org/9229
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Chas Williams - CONTRACTOR <chas@cmf.nrl.navy.mil>
Reviewed-by: Derrick Brashear <shadow@your-file-system.com>