Temporarily deactivate RESOL DeltaSol CS Plus config optimizer.
Temporarily deactivate RESOL DeltaSol CS Plus config optimizer.

The `require` for this config optimizer got committed by accident but
it is still work-in-progress and not part of the repository. This patch
deactivates the `require` until the optimizer is ready.

Thorsten71/resol-vbus,danielwippermann/resol-vbus