remove more unused functions

Author: bigfooted

Common/include/geometry/dual_grid/CPoint.hpp

@@ -771,14 +771,14 @@ class CPoint {
   }
 
   /*!
-   * \brief Get the value of the old coordinates for implicit smoothing.
+   * \brief Get the value of the old coordinates for implicit smoothing. <- Nijso: really?
    * \param[in] iPoint - Index of the point.
    * \return Old coordinates at a point.
    */
   inline su2double* GetCoord_Old(unsigned long iPoint) { return Coord_Old[iPoint]; }
 
   /*!
-   * \brief Set the value of the vector <i>Coord_Old</i> for implicit smoothing.
+   * \brief Set the value of the vector <i>Coord_Old</i> for implicit smoothing. <- Nijso: really?
    * \param[in] iPoint - Index of the point.
    * \param[in] coord_old - Value of the coordinates.
    */

SU2_CFD/src/iteration/CDiscAdjFluidIteration.cpp

@@ -203,7 +203,7 @@ void CDiscAdjFluidIteration::Preprocess(COutput* output, CIntegration**** integr
           for (auto iPoint = 0ul; iPoint < geometries[iMesh]->GetnPoint(); iPoint++) {
             if (dual_time_2nd) {
               geometries[iMesh]->nodes->SetCoord_n(iPoint, geometries[iMesh]->nodes->GetCoord_n1(iPoint));
-              geometries[iMesh]->nodes->SetCoord_n1(iPoint, geometries[iMesh]->nodes->GetCoord_Old(iPoint));
+              geometries[iMesh]->nodes->SetCoord_n1(iPoint, geometries[iMesh]->nodes->GetCoord_Old(iPoint)); // <- this is not implicit smoothing
             } else {
               geometries[iMesh]->nodes->SetCoord_n(iPoint, geometries[iMesh]->nodes->GetCoord_Old(iPoint));
             }