Remove static pool completely from fuelmenu

Ips from dhcp pool will be reused by nailgun and
assigned to cobbler system during provisioning

Change-Id: Ifef74b334ec0173c4cb1d930f0a515b1c17962af
Related-Bug: 1271571
Implments: blueprint get-gid-of-splitted-fueladmin-network
Merge "Remove static pool completely from fuelmenu"