Cleanup dependencies in CbmMvdSensor

Remove function SetProduceNoise from CbmMvdSensor and CbmMvdDetector. The
function from the plugin is now called directly from the digitizer.
Exchange some casts to the final taks by using the base class instead.

core/detectors/mvd/CbmMvdDetector.h

@@ -99,6 +99,11 @@ public:
   CbmMvdStationPar* GetParameterFile() { return fParameter; };
   void PrintParameter() { fParameter->Print(); };
 
+/*
+  static void SetSensorTyp(CbmMvdSensorTyp typ) { fSensorTyp = typ; };
+
+  void SetSensorArrayFilled(Bool_t value = kTRUE) {fSensorArrayFilled=value;}
+*/
 
 private:
   static CbmMvdSensorTyp fSensorTyp;