ItemInfoWindow._configureWeapon = function(groupArray) {
groupArray.appendObject(ItemSentence.AttackAndHit);
groupArray.appendObject(ItemSentence.CriticalAndRange);
groupArray.appendObject(ItemSentence.Weight);
groupArray.appendObject(ItemSentence.AdditionState);
groupArray.appendObject(ItemSentence.WeaponOption);
groupArray.appendObject(ItemSentence.EffectiveClass);
groupArray.appendObject(ItemSentence.ReverseWeapon);
groupArray.appendObject(ItemSentence.Skill);
//groupArray.appendObject(ItemSentence.Unit);
groupArray.appendObject(ItemSentence.Class);
groupArray.appendObject(ItemSentence.Bonus);
}

いらんやつだけコメントアウトすればいい。
他の機能はめんどくさそう