tools: use dmn@2.2.1 to remove unneeded files

PR-URL: #26462
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Roman Reiss <me@silverwind.io>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Yuta Hiroto <hello@hiroppy.me>

Author: Trott