Find the
32378.htm in /game/data/html/teleporter/... and remove these lines:
<Button ALIGN=LEFT ICON="NORMAL" action="url
https://l2wiki.com/Elemental_Shirts"><font color="LEVEL">
Learn more about Elemental Shirt on L2wiki</font></Button>
<Button ALIGN=LEFT ICON="NORMAL" action="url
https://l2wiki.com/Dragon_Skin_Shirts"><font color="F4752C">
Learn more about Dragon Shirt on L2wiki</font></Button>