Reduce MIRA to support minimal requirement features
Refactoring of MIRA to remove all unmaintained features and to support only basic requirement features:
- Hierarchy (Package structure)
- Traces
- Basic attributes
- Name
- Description
- …
- Glossary
(from redmine: issue id 3886, created on 2019-12-02, closed on 2020-02-04)
- Relations:
- relates #3925 (closed)