correctly apply override

src/CG-DNA/constants_oxdna.h

@@ -21,7 +21,7 @@ namespace LAMMPS_NS {
 class ConstantsOxdna : protected Pointers {
  public:
   ConstantsOxdna(class LAMMPS *lmp);
-  virtual ~ConstantsOxdna(){};
+  ~ConstantsOxdna() override = default;
 
   // oxDNA 1 getters
   static double get_d_cs() { return d_cs; }

src/COLLOID/pair_brownian.h

@@ -31,7 +31,7 @@ class PairBrownian : public Pair {
   void compute(int, int) override;
   void settings(int, char **) override;
   void coeff(int, char **) override;
-  virtual double init_one(int, int) override;
+  double init_one(int, int) override;
   void init_style() override;
   void write_restart(FILE *) override;
   void read_restart(FILE *) override;

src/ELECTRODE/fix_electrode_conp.h

@@ -54,7 +54,7 @@ class FixElectrodeConp : public Fix {
   double compute_array(int, int) override;
   int modify_param(int, char **) override;
   int modify_param(const std::string &);
-  virtual void init() override;
+  void init() override;
   void init_list(int, NeighList *) override;
   void post_constructor() override;    // used by ffield to set up fix efield
   double memory_usage() override;

src/EXTRA-PAIR/pair_lj_pirani.h

@@ -27,7 +27,7 @@ namespace LAMMPS_NS {
 class PairLJPirani : public Pair {
  public:
   PairLJPirani(class LAMMPS *);
-  virtual ~PairLJPirani() override;
+  ~PairLJPirani() override;
   void compute(int, int) override;
   void settings(int, char **) override;
   void coeff(int, char **) override;

src/fix_deform.h

@@ -38,8 +38,8 @@ class FixDeform : public Fix {
   void init() override;
   void pre_exchange() override;
   void end_of_step() override;
-  void virtual write_restart(FILE *) override;
-  void virtual restart(char *buf) override;
+  void write_restart(FILE *) override;
+  void restart(char *buf) override;
   double memory_usage() override;
 
  protected: