REFAC: remove SetDocName()

app/otbLandscapeStratificationMetric.cxx

@@ -70,7 +70,6 @@ private:
   SetDescription("Compute a landscape stratification metric");
 
   // Documentation
-  SetDocName("LandscapeStratificationMetric");
   SetDocLongDescription("This application implements the method of Bellon et al. (http://dx.doi.org/10.3390/rs9060600)");
   SetDocLimitations("None");
   SetDocAuthors("Remi Cresson");