If your server that previously installed Fantastico DeLuxe and you might no longer needed it, you may uninstall it or remove it from this article.
Log into the server through SSH, run these command,
rm -rf /var/netenberg/fantastico_de_luxe/ rm -rf /usr/local/cpanel/whostmgr/docroot/cgi/fantastico/ rm -rf /usr/local/cpanel/3rdparty/fantastico* rm -rf /usr/local/cpanel/base/frontend/*/fantastico rm -f /usr/local/cpanel/base/frontend/x/cells/fantastico.html rm -f /usr/local/cpanel/base/frontend/x/cells/cpanelplugin_Fantastico_De_Luxe.html rm -f /usr/local/cpanel/whostmgr/docroot/cgi/addon_fantastico.cgi