IDS-G-pre is outdated - content has to be edited

[JessicaRombs]

Which part of the repository is your change request related to?

• Handbook (Repository Overview)
• Handbook (Maturity Levels)
• Handbook (Processes and Workflows)
• README

Please describe which content you would expect here and tell us how to solve this request

Descriptions of IDS-G-pre have to be changed, as it is archived and not part of the described work anymore.