Core/Battleground: refactored BattlegroundScore

(original code by Machiavelli)

src/server/game/Entities/Unit/Unit.cpp

@@ -21,6 +21,7 @@
 #include "Battlefield.h"
 #include "BattlefieldMgr.h"
 #include "Battleground.h"
+#include "BattlegroundScore.h"
 #include "CellImpl.h"
 #include "ConditionMgr.h"
 #include "CreatureAI.h"
@@ -3845,8 +3846,7 @@ void Unit::RemoveAurasByType(AuraType auraType, uint64 casterGUID, Aura* except,
     {
         Aura* aura = (*iter)->GetBase();
         AuraApplication * aurApp = aura->GetApplicationOfTarget(GetGUID());
-        if (!aurApp)
-            continue;
+        ASSERT(aurApp);
 
         ++iter;
         if (aura != except && (!casterGUID || aura->GetCasterGUID() == casterGUID)