REFAC: unused attribute m_UseDEM

Modules/Registration/Stereo/include/otbStereoSensorModelToElevationMapFilter.h

@@ -232,10 +232,6 @@ private:
   /** Step of the elevation exploration. */
   double  m_ElevationStep;
 
-  /** If set to true, the local elevation is extracted from a DEM +
-  geoid. If set to false, average elevation is used. Default is false. */
-  bool m_UseDEM;
-
   /** Threshold of the correlation to keep estimated height. */
   double m_CorrelationThreshold;
 

Modules/Registration/Stereo/include/otbStereoSensorModelToElevationMapFilter.txx

@@ -54,9 +54,6 @@ StereoSensorModelToElevationFilter<TInputImage, TOutputHeight>
   m_CorrelationThreshold = 0.7;
   m_VarianceThreshold = 4;
   m_SubtractInitialElevation = false;
-
-  // DEM handling (deprecated)
-  m_UseDEM = false;
 }
 
 template <class TInputImage, class TOutputHeight>