fix(DB/Spells): Ionar spark Arcing Burn should stack from different c… (#23588)

data/sql/updates/pending_db_world/rev_1762700683759228700.sql

@@ -0,0 +1,5 @@
+--
+DELETE FROM `spell_custom_attr` WHERE `spell_id` IN (52671, 59834);
+INSERT INTO `spell_custom_attr` (`spell_id`, `attributes`) VALUES
+(52671, 0x00400000),
+(59834, 0x00400000);

src/server/game/Spells/SpellInfoCorrections.cpp

@@ -2187,12 +2187,6 @@ void SpellMgr::LoadSpellInfoCorrections()
         spellInfo->Effects[EFFECT_0].TargetA = SpellImplicitTargetInfo(1);
     });
 
-    // Halls of Lightning, Arcing Burn
-    ApplySpellFix({ 52671, 59834 }, [](SpellInfo* spellInfo)
-    {
-        spellInfo->AttributesEx3 |= SPELL_ATTR3_DOT_STACKING_RULE;
-    });
-
     // Trial of the Champion, Death's Respite
     ApplySpellFix({ 68306 }, [](SpellInfo* spellInfo)
     {