Revert "Merge pull request #20 from CiscoSystems/cobbler_notes"

This reverts commit 7a54d52a11984cd7487ed2467deb027d8410c9e3, reversing
changes made to df7524bb6174bbcce5cd45344c6c755dcbaca14c.
Revert "Add cobbler settings and notes for compressed_ha"

This reverts commit dfbd7632851783522f52ef59b09ee775bb5f3270.