Roll back modules/sysctl because of deleted commits

The following two commits seem to have been removed from the sysctl
repository on GitHub:

  commit 8f035ff (HEAD)
  Merge: 7362405 29306c2
  Author: duritong <peter.meier+github@immerda.ch>
  Date:   Tue Sep 18 09:42:49 2012 -0700

    Merge pull request #13 from jedi4ever/multisysctl-example

    added example for multiple sysctl specification through create_resource

  commit 29306c2
  Author: Patrick Debois <Patrick.Debois@jedi.be>
  Date:   Mon Sep 17 10:22:04 2012 +0200

    added example for multiple sysctl specification through create_resource