Windows: remove dead code from cm_scache.c

Windows: remove dead code from cm_scache.c

Reviewed-on: http://gerrit.openafs.org/5353
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
(cherry picked from commit 1e23761b7fadc260b32bebb0343a9b5b1de37cf4)

Change-Id: Ifd8cf9ec7b517da80b22853e0f90034586560e0d
Reviewed-on: http://gerrit.openafs.org/6029
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@secure-endpoints.com>
Tested-by: Jeffrey Altman <jaltman@secure-endpoints.com>