This removes all of the Murano code that is
deprecated in the 3.0.0 release.
When rally pulls in Murano it also pulls python-muranoclient
that depends on murano-pkg-check that is old code that
was also shown to fail the new setuptools version [1]
that removed support for dashes in setup.cfg that has
been deprecated since 2021.
[1] https://github.com/pypa/setuptools/issues/4910
Change-Id: Icb69c77f96fbf10be0def5be9e21c9af8f57761b
109bf1e559