Core/Scripts: Remove hook GetAuraEffectTriggerTarget from CreatureAI.h

The hook was made for one obsolete script, which turned out to not work anyways.

src/server/game/AI/CreatureAI.h

@@ -116,9 +116,6 @@ class CreatureAI : public UnitAI
         // Called when spell hits a target
         virtual void SpellHitTarget(Unit* /*target*/, SpellEntry const* /*spell*/) {}
 
-        // Called to get trigger target for aura effect
-        virtual Unit* GetAuraEffectTriggerTarget(uint32 /*spellId*/, uint8 /*effIndex*/) { return NULL; }
-
         // Called when the creature is target of hostile action: swing, hostile spell landed, fear/etc)
         //virtual void AttackedBy(Unit* attacker);
         virtual bool IsEscorted() { return false; }

src/server/game/Spells/Auras/SpellAuraEffects.cpp

@@ -2149,22 +2149,12 @@ void AuraEffect::PeriodicDummyTick(Unit * target, Unit * caster) const
     }
 }
 
-Unit* AuraEffect::GetTriggerTarget(Unit * target) const
-{
-    if (target->GetTypeId() == TYPEID_UNIT)
-    {
-        if (Unit * trigger = target->ToCreature()->AI()->GetAuraEffectTriggerTarget(GetId(), GetEffIndex()))
-            return trigger;
-    }
-    return target;
-}
-
 void AuraEffect::TriggerSpell(Unit * target, Unit * caster) const
 {
     if (!caster || !target)
         return;
 
-    Unit* triggerTarget = GetTriggerTarget(target);
+    Unit* triggerTarget = target;
 
     // generic casting code with custom spells and target/caster customs
     uint32 triggerSpellId = GetSpellProto()->EffectTriggerSpell[GetEffIndex()];
@@ -2468,7 +2458,7 @@ void AuraEffect::TriggerSpellWithValue(Unit * target, Unit * caster) const
     if (!caster || !target)
         return;
 
-    Unit* triggerTarget = GetTriggerTarget(target);
+    Unit* triggerTarget = target;
 
     uint32 triggerSpellId = GetSpellProto()->EffectTriggerSpell[m_effIndex];
     SpellEntry const *triggeredSpellInfo = sSpellStore.LookupEntry(triggerSpellId);

src/server/game/Spells/Auras/SpellAuraEffects.h

@@ -67,7 +67,6 @@ class AuraEffect
 
         void PeriodicTick(AuraApplication * aurApp, Unit * caster) const;
         void PeriodicDummyTick(Unit * target, Unit * caster) const;
-        Unit* GetTriggerTarget(Unit * target) const;
         void TriggerSpell(Unit * target, Unit * caster) const;
         void TriggerSpellWithValue(Unit * target, Unit * caster) const;