* Remove some redundant / unused binplace directories

* Fix runtime pack path

* Use OuputRid instead of PackageRID

On linux-musl, OutputRID differs from PackageRID.

* Add RuntimeOS to installer leg for musl

So that we have consistent values of $(PackageRID) for installer and libraries

* Move LibrariesConfiguration definition earlier in src/tests

This property was being defined after a number of places where it was
consumed resulting in quite a few inconsistent derived properties.