Remove leftover remains from SMO. Q_k is the process noise, but not used in the SMO.
Remove leftover remains from SMO. Q_k is the process noise, but not used in the SMO.

TUDelft-DataDrivenControl/WFObs,TUDelft-DataDrivenControl/WFObs,TUDelft-DataDrivenControl/WFObs,TUDelft-DataDrivenControl/WFObs,TUDelft-DataDrivenControl/WFObs