Core/Objects: ported master branch handling for properly destroying objects via out of range and destroy object opcode

# Conflicts:
#	src/server/game/Entities/Creature/Creature.cpp

src/server/game/Entities/DynamicObject/DynamicObject.cpp

@@ -164,10 +164,7 @@ void DynamicObject::Update(uint32 p_time)
 void DynamicObject::Remove()
 {
     if (IsInWorld())
-    {
-        RemoveFromWorld();
         AddObjectToRemoveList();
-    }
 }
 
 void DynamicObject::BuildValuesUpdate(uint8 updateType, ByteBuffer* data, Player* target) const