Windows: remove sdk sample token.c

Windows: remove sdk sample token.c

The sdk sample is no longer applicable.

Reviewed-on: http://gerrit.openafs.org/7932
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>
Tested-by: Jeffrey Altman <jaltman@your-file-system.com>
(cherry picked from commit 5a707645b7d14f37f3d7fd8d06685f3940631a44)

Change-Id: Ic811e8b13c9ab5c3eef9e36ffb0cc38c896a7e89
Reviewed-on: http://gerrit.openafs.org/8642
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Jeffrey Altman <jaltman@your-file-system.com>