First, I nominate scrapping this whole idea of frequency allocation to private parties. Regulation can't get more heavy-handed, askew, and favoring incumbents than designating that most everybody is prohibited from doing anything while some other parties may do whatever they like.
Second, I nominate removing every restriction on intentional and unintentional radiators. Those hooks have been used to create a whole extragovernmental regulatory apparatus of testing labs.
Third, the regulations requiring manufacturers to implement code signing on wireless chipsets. This maybe should have been first because it's so abhorrent to individual freedom, but the scope is narrow compared to the first two.
Also since we're talking about "economic opportunity" and Republicans have been complaining about regulatory agencies acting beyond their congressional mandate - now that they control congress, surely there is a net neutrality bill making its way through the legislative process?