Core/ObjectMgr: Remove GetPlayer function (Remove double use of singletons)

src/server/game/Entities/Object/Object.cpp

@@ -1967,7 +1967,7 @@ void WorldObject::MonsterTextEmote(int32 textId, uint64 TargetGuid, bool IsBossE
 
 void WorldObject::MonsterWhisper(const char* text, uint64 receiver, bool IsBossWhisper)
 {
-    Player* player = sObjectMgr->GetPlayer(receiver);
+    Player* player = ObjectAccessor::FindPlayer(receiver);
     if (!player || !player->GetSession())
         return;
 
@@ -1981,7 +1981,7 @@ void WorldObject::MonsterWhisper(const char* text, uint64 receiver, bool IsBossW
 
 void WorldObject::MonsterWhisper(int32 textId, uint64 receiver, bool IsBossWhisper)
 {
-    Player* player = sObjectMgr->GetPlayer(receiver);
+    Player* player = ObjectAccessor::FindPlayer(receiver);
     if (!player || !player->GetSession())
         return;