Revert "add debug output for DHCPServer value"

This reverts commit 1dd42c51b9156008192357df31948b18f28daafe.

https://bugzilla.novell.com/show_bug.cgi?id=866797
Revert "fix crowbar admin server detection"

This reverts commit 99b42fff24a2e04ac6a20b60b17b7081d82096be.

Reverting because this is broken when the admin server has more than one
network interface and the admin network is not connected to the first
interface.

https://bugzilla.novell.com/show_bug.cgi?id=866797
Revert "avoid hardcoded admin-server IP"

This reverts commit fd4641a33dc515a05feb309ef93ab96c97143b48.

Reverting because this is broken when the admin server has more than one
network interface and the admin network is not connected to the first
interface.

https://bugzilla.novell.com/show_bug.cgi?id=866797