remove all Tampa appservers from DHCP

those are down. the reason to keep DHCP
so far was that it was considered to
maybe use that to mass-boot them into a DBAN
image for wiping (RobH/Chris)

letting them decide if we do or not, if these
will never boot and use DHCP again, please merge

RT #6099

Change-Id: I73e523787a21e56a1ae1e2b179b22e90f57b7ce7
Merge "remove all Tampa appservers from DHCP" into production