Request 83230 (accepted)

- Remove redundant tags/sections from specfile
(cf. packaging guidelines)
- Use %_smp_mflags for parallel build

- Remove redundant tags/sections from specfile
(cf. packaging guidelines)
- Use %_smp_mflags for parallel build

Needs maintainer's attention: too many warnings.

warnings are irrelevant with these cleanups, so its OK to take

thanks

warnings are irrelevant with these cleanups, so its OK to take