*Fix auras display when unit dies.

*Fix Freezing trap diminishing return.

--HG--
branch : trunk

src/game/SpellAuras.cpp

@@ -459,12 +459,6 @@ m_updated(false), m_isRemovedOnShapeLost(true), m_in_use(false)
 
 Aura::~Aura()
 {
-    //Delete references to aura
-    if(GetAuraSlot() < MAX_AURAS && m_target && m_target->GetVisibleAura(GetAuraSlot()))
-    {
-        AuraSlotEntry * entry = m_target->GetVisibleAura(GetAuraSlot());
-        entry->m_slotAuras[GetEffIndex()]=NULL;
-    }
 }
 
 AreaAura::AreaAura(SpellEntry const* spellproto, uint32 eff, int32 *currentBasePoints, Unit *target,