Revert "[tests] bind functional test nodes to 127.0.0.1"
Revert "[tests] bind functional test nodes to 127.0.0.1"

This reverts commit 65682da7e57af544abb46a7d8a7f4fdca0c73f56.

DigitalPandacoin/pandacoin,peercoin/peercoin,peercoin/peercoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,peercoin/peercoin,DigitalPandacoin/pandacoin,peercoin/peercoin,peercoin/peercoin,peercoin/peercoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin