Revert "Merge remote-tracking branch 'remotes/origin/DNP3' into SiteVisitController"

This reverts commit a9996b7e135533cd7f483d8f0ed9d6cf05fcab00, reversing
changes made to fe1389ddbe82588fafe6f524851fbb1714ff7baf.

Let's use a separate branch for this -- I don't want to set up DNP3