Message deletion not supported

There seems to be a lack of support for deleting messages.
In the Ducati League and gu league site, there was support for deleting a message, but there is no feature for 'deleting' a message currently, but was included in duc-webleague and bz-owl.
(duc-webleague - https://github.com/blast007/duc-webleague &  bz-owl - https://github.com/allejo/bz-owl)