Remove doc.zih.tu-dresden.de/util/README.md

The file doc.zih.tu-dresden.de/util/README.md is outdated. Remove it!

changed milestone to %Meeting-2022-06-01

assigned to @s2817051--tu-dresden.de

mentioned in merge request !596 (merged)

closed with merge request !596 (merged)

mentioned in commit 821fb99b