Help L2Jfrozen Prob In Chat In The Beggining Please Help

[akirawa18]

GUYS hello i want to ask something !! we make a server with l2jfrozen and i want to delete the message of the start of system messages in the chat pannel of l2 that write "this pack is developed by jfrozen team etc" because i dont want to see somebody the type of our pack !!! please answer me !!! this shows in the top side of the chat when someone login in the server!! THIS IS THE MESSAGE IN THE START ON CHAT 

This server uses L2JFrozen, a project founded by L2Chef and developed by the L2JFfrozen Dev Team at l2jfrozen.com

[akirawa18]

thanks all of you guys for your time!! i try ti fix my problem thank you very much :)