Core/Units: remove an incorrect check for SPELL_AURA_MOD_CRIT_CHANCE_FOR_CASTER from Unit::GetUnitCriticalChanceTaken as that aura is only being involved for increasing crit chance values for spells with a class mask value

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

@@ -2862,13 +2862,6 @@ float Unit::GetUnitCriticalChanceTaken(Unit const* attacker, WeaponAttackType at
     else
         chance += GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_CRIT_CHANCE);
 
-    chance += GetTotalAuraModifier(SPELL_AURA_MOD_CRIT_CHANCE_FOR_CASTER, [attacker](AuraEffect const* aurEff) -> bool
-    {
-        if (aurEff->GetCasterGUID() == attacker->GetGUID())
-            return true;
-        return false;
-    });
-
     // applied after resilience
     chance += GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_SPELL_AND_WEAPON_CRIT_CHANCE);