Drop outdated Buildroot and %clean section from RPM spec
Drop outdated Buildroot and %clean section from RPM spec

https://docs.fedoraproject.org/en-US/packaging-guidelines/#_tags_and_sections
https://en.opensuse.org/openSUSE:Specfile_guidelines#Clean_Section_.28.25clean.29

sbenejam/qlcplus,plugz/qlcplus,kripton/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,kripton/qlcplus,kripton/qlcplus,sbenejam/qlcplus,sbenejam/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,plugz/qlcplus,kripton/qlcplus,kripton/qlcplus,plugz/qlcplus,mcallegari/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,plugz/qlcplus,sbenejam/qlcplus,kripton/qlcplus,plugz/qlcplus,plugz/qlcplus,mcallegari/qlcplus,sbenejam/qlcplus,plugz/qlcplus,kripton/qlcplus,sbenejam/qlcplus