Apply suggestions from code review

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

Author: TobiKattmann

SU2_CFD/include/solvers/CIncEulerSolver.hpp

@@ -405,19 +405,19 @@ class CIncEulerSolver : public CFVMFlowSolverBase<CIncEulerVariable, ENUM_REGIME
    * \param[in] input - Boolean whether In- or Output should be registered.
    * \param[in] config - The particular config.
    */
-  void RegisterSolutionExtra(bool input, const CConfig* config);
+  void RegisterSolutionExtra(bool input, const CConfig* config) final;
 
   /*!
    * \brief Seed the adjoint of the extra solution at the output.
    * \param[in] adj_sol - Vector containing the adjoint solution to seed.
    * \param[in] config - The particular config.
    */
-  void SetAdjoint_SolutionExtra(const VectorType& adj_sol, const CConfig* config);
+  void SetAdjoint_SolutionExtra(const VectorType& adj_sol, const CConfig* config) final;
 
   /*!
    * \brief Extract the adjoint of the extra solution at the input.
    * \param[out] adj_sol - Vector to store the adjoint into.
    * \param[in] config - The particular config.
    */
-  void ExtractAdjoint_SolutionExtra(VectorType& adj_sol, const CConfig* config);
+  void ExtractAdjoint_SolutionExtra(VectorType& adj_sol, const CConfig* config) final;
 };

SU2_CFD/include/solvers/CSolver.hpp

@@ -64,8 +64,6 @@ using namespace std;
 
 class CSolver {
 protected:
-  using VectorType = C2DContainer<unsigned long, su2double, StorageType::ColumnMajor, 64, DynamicSize, 1>;
-
   enum : size_t {OMP_MIN_SIZE = 32}; /*!< \brief Chunk size for small loops. */
 
   int rank,       /*!< \brief MPI Rank. */
@@ -3557,7 +3555,7 @@ class CSolver {
    * \param[in] adj_sol - Vector containing the adjoint solution to seed.
    * \param[in] config - The particular config.
    */
-  virtual void SetAdjoint_SolutionExtra(const VectorType& adj_sol, const CConfig* config) {}
+  virtual void SetAdjoint_SolutionExtra(const su2activevector& adj_sol, const CConfig* config) {}
 
   /*!
    * \brief Extract the adjoint of the extra solution at the input.