Request 83899 (accepted)

- Remove redundant tags/sections from specfile
- Use %_smp_mflags for parallel build (forwarded request 83080 from Lazy_Kent)

- Remove redundant tags/sections from specfile
- Use %_smp_mflags for parallel build (forwarded request 83080 from Lazy_Kent)

Please review sources

Accepted submit request 83899 from user saschpe

{"approve": "license and version number unchanged: 2.4.2"}

Builds for repo openSUSE_Factory