ors57 failed to run playbook when installing pip because
this package was missing

- Update registry to new production registry
( https://re6st-registry.nxdcdn.com/ )
- Create /etc/re6stnet if needed

This reverts commit 097e1cd0.

This is not working because of dependencies on newer libc6 and
libstdc++6.

init-sdr and init-enb scripts should be ran by slapos. That way if eNB
and gNB services are stopped in slapos sdr driver will not be loaded,
which allows to use lte stack manually without interference.