Open > luafiles514\lua files\optioninfo\cmdinfo.lub
and delete the command line what you need to disable
CmdOnOffOderList = {
"/notrade",
"/noshift",
"/noctrl",
"/skillfail",
"/notalkmsg",
"/notalkmsg2",
"/showname",
"/window",
"/miss",
"/q1",
"/q2",
"/effect",
"/bgm",
"/sound",
"/loginout",
"/shopping",
"/stateinfo",
"/snap",
"/itemsnap",
"/skillsnap",
"/hoai",
"/merai",
"/camera",
"/btg",
"/lightmap",
"/monsterhp",
"/cashshop",
"/goldpc",
"/roulette",
"/quake"
}