RedHat: don't package manpages for binaries not included

RedHat: don't package manpages for binaries not included

We don't package copyauth, aklog_dynamic_auth and rmtsysd.
Omit their manpages too.

Reviewed-on: http://gerrit.openafs.org/10781
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: D Brashear <shadow@your-file-system.com>
(cherry picked from commit b78b7f0c3454be02048e4533ee26ef28dc8f78ff)

Change-Id: Ifb52d8bcc19940b3725d7bbe616df70c9bd1a948
Reviewed-on: http://gerrit.openafs.org/10807
Tested-by: BuildBot <buildbot@rampaginggeek.com>
Reviewed-by: Andrew Deason <adeason@sinenomine.net>
Reviewed-by: Ken Dreyer <ktdreyer@ktdreyer.com>
Reviewed-by: Stephan Wiesand <stephan.wiesand@desy.de>