nickserv/vhost: update usercloak metadata on vhost removal

This is consistent with HostServ behaviour and records additional
possibly helpful information.
modules/operserv/clones.c: Fix inconsistent inequality check
po/fi.po: start Finnish translations
po/fi.po: continue l10n-fi

10%
continue l10n-fi
continue l10n-fi
continue l10n-fi
continue l10n-fi