Core/Player: Removed _lastLiquid from Player class, no need to have it in both Unit and Player

src/server/game/Entities/Player/Player.cpp

@@ -724,7 +724,6 @@ Player::Player(WorldSession* session): Unit(true), m_achievementMgr(this), m_rep
     for (uint8 i=0; i<MAX_TIMERS; i++)
         m_MirrorTimer[i] = DISABLED_MIRROR_TIMER;
 
-    _lastLiquid = NULL;
     m_MirrorTimerFlags = UNDERWATER_NONE;
     m_MirrorTimerFlagsLast = UNDERWATER_NONE;
     m_isInWater = false;

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

@@ -2825,7 +2825,6 @@ class Player : public Unit, public GridObject<Player>
         uint32 m_lastFallTime;
         float  m_lastFallZ;
 
-        LiquidTypeEntry const* _lastLiquid;
         int32 m_MirrorTimer[MAX_TIMERS];
         uint8 m_MirrorTimerFlags;
         uint8 m_MirrorTimerFlagsLast;

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

@@ -2320,6 +2320,7 @@ class Unit : public WorldObject
         Vehicle* m_vehicleKit;
 
         uint32 m_unitTypeMask;
+        LiquidTypeEntry const* _lastLiquid;
 
         bool IsAlwaysVisibleFor(WorldObject const* seer) const;
         bool IsAlwaysDetectableFor(WorldObject const* seer) const;
@@ -2354,7 +2355,6 @@ class Unit : public WorldObject
         uint32 m_state;                                     // Even derived shouldn't modify
         uint32 m_CombatTimer;
         uint32 m_lastManaUse;                               // msecs
-        LiquidTypeEntry const* _lastLiquid;
         TimeTrackerSmall m_movesplineTimer;
 
         Diminishing m_Diminishing;