how to remove tab group in npc?

so simple question how to disable tab group in npc?

i want to remove basicly the tab where stones are in a npc.

I tried setting service to 0 on refshoptab and refshoptabgroup stil not working.

firstly,
delete all items from table in _RefShopGoods (DB) and in refshopgoods.txt (client)
after delete the tab from _RefShopTab and _RefShopTabgroup in DB and in client