Windows: cm_BkgDaemon should not do cm_SyncOp's job

Windows: cm_BkgDaemon should not do cm_SyncOp's job

cm_SyncOp is designed to synchronize operations among multiple
threads.  The background daemon threads should not filter requests
based upon cm_SyncOp states.  Doing so is racy and does not produce
better performance.

Reviewed-on: http://gerrit.openafs.org/5119
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
(cherry picked from 7e3615208d9e1b03d8eba4fb802744b2b81f8868)

Change-Id: I2293643bf708c3e87093005d95c7d1203c6f680a
Reviewed-on: http://gerrit.openafs.org/5145
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>