* validate-modules: deprecated modules in collections
In Collections a module is marked as deprecated via meta/routing.yml
Use this file, rather than the leading `_` as part of the deprecated
test.
* Correct variable
* review comments
* indentation
* Read routing.yml only once
* pep8
* Apply suggestions from code review
Co-authored-by: Matt Clay <matt@mystile.com>
* review: remove duplicated conditional
Co-authored-by: Matt Clay <matt@mystile.com>
