refactor(Core): apply clang-tidy modernize-use-equals-default (#3834)

src/server/game/Entities/Creature/TemporarySummon.h

@@ -29,7 +29,7 @@ class TempSummon : public Creature
 {
 public:
     explicit TempSummon(SummonPropertiesEntry const* properties, uint64 owner, bool isWorldObject);
-    ~TempSummon() override {}
+    ~TempSummon() override = default;
     void Update(uint32 time) override;
     virtual void InitStats(uint32 lifetime);
     virtual void InitSummon();

src/server/game/Entities/Player/Player.h

@@ -958,7 +958,7 @@ class PlayerTaxi
 {
 public:
     PlayerTaxi();
-    ~PlayerTaxi() {}
+    ~PlayerTaxi() = default;
     // Nodes
     void InitTaxiNodesForLevel(uint32 race, uint32 chrClass, uint8 level);
     void LoadTaxiMask(std::string const& data);

src/server/game/Entities/Unit/Unit.h

@@ -1077,7 +1077,7 @@ typedef std::unordered_map<uint32 /*category*/, GlobalCooldown> GlobalCooldownLi
 class GlobalCooldownMgr                                     // Shared by Player and CharmInfo
 {
 public:
-    GlobalCooldownMgr() {}
+    GlobalCooldownMgr() = default;
 
 public:
     bool HasGlobalCooldown(SpellInfo const* spellInfo) const;
@@ -1303,7 +1303,7 @@ struct SpellProcEventEntry;                                 // used only private
 class MMapTargetData
 {
 public:
-    MMapTargetData() {}
+    MMapTargetData() = default;
     MMapTargetData(uint32 endTime, const Position* o, const Position* t)
     {
         _endTime = endTime;

src/server/game/Entities/Vehicle/VehicleDefines.h

@@ -95,8 +95,8 @@ typedef std::map<int8, VehicleSeat> SeatMap;
 class TransportBase
 {
 protected:
-    TransportBase() { }
-    virtual ~TransportBase() { }
+    TransportBase() = default;
+    virtual ~TransportBase() = default;
 
 public:
     /// This method transforms supplied transport offsets into global coordinates