remove Tampa appserver reverse DNS and mgmt

- remove reverse records for Tampa mw*
  (ORIGIN 11.0)
- Apaches pool mw/srv251+ (ORIGIN 9.1)
- Apaches pool, srv251-301 (ORIGIN 8.0)
- squid mgmt range, apache mgmt range

mgmt in Tampa not needed anymore for wiping

Change-Id: I8d6fed245a48274e771b5380f5b9e5dec5b08c54
Merge "remove Tampa appserver reverse DNS and mgmt"