Func input by ref, remove unnecessary nDim definition

Co-authored-by: Pedro Gomes <38071223+pcarruscag@users.noreply.github.com>

Author: TobiKattmann

SU2_CFD/include/output/CFlowOutput.hpp

@@ -77,9 +77,9 @@ class CFlowOutput : public CFVMOutput{
    * \param[in] Surface_Area_Total - Area of all Marker_Analyze
    */
   void SetAnalyzeSurface_SpeciesVariance(const CSolver* const*solver, const CGeometry *geometry, CConfig *config,
-                                         const su2activematrix Surface_Species_Total,
-                                         const vector<su2double> Surface_MassFlow_Abs_Total,
-                                         const vector<su2double> Surface_Area_Total);
+                                         const su2activematrix& Surface_Species_Total,
+                                         const vector<su2double>& Surface_MassFlow_Abs_Total,
+                                         const vector<su2double>& Surface_Area_Total);
 
   /*!
    * \brief Add scalar (turbulence/species) history fields for the linear solver (FVMComp, FVMInc, FVMNEMO).

SU2_CFD/src/output/CFlowOutput.cpp

@@ -633,12 +633,11 @@ void CFlowOutput::SetAnalyzeSurface(const CSolver* const*solver, const CGeometry
 }
 
 void CFlowOutput::SetAnalyzeSurface_SpeciesVariance(const CSolver* const*solver, const CGeometry *geometry,
-                                                    CConfig *config, su2activematrix Surface_Species_Total,
-                                                    vector<su2double> Surface_MassFlow_Abs_Total,
-                                                    vector<su2double> Surface_Area_Total) {
+                                                    CConfig *config, const su2activematrix& Surface_Species_Total,
+                                                    const vector<su2double>& Surface_MassFlow_Abs_Total,
+                                                    const vector<su2double>& Surface_Area_Total) {
 
   const unsigned short nMarker      = config->GetnMarker_All();
-  const unsigned short nDim         = geometry->GetnDim();
   const unsigned short Kind_Average = config->GetKind_Average();
 
   const bool species        = config->GetKind_Species_Model() != SPECIES_MODEL::NONE;