rpm5.org doesn't resolve currently.
Tarball checksum didn't change so rebuild is not necessary.
- https://github.com/libuv/libuv/releases 1.30.1
* Clarify license, remove unused patch
* Enable now working test
* Clarify license and run test suite.
due to missing py-hgtools
* hgtools is defunct and has been superseded by setuptools_scm.
* Enable tests