These are changes that only need to be made in the templates, and I am always a fan of commenting something 'out' rather than removing it (makes it easier to fix).
Change your templates and remove the shotthreaded options, and you will be fine.
Donate to UBBDev today to help aid in Operational, Server and Script Maintenance, and Development costs.
Please also see our parent organization VNC Web Services if you're in the need of a new UBB.threads Install or Upgrade, Site/Server Migrations, or Security and Coding Services.