[DRE-maint] ruby-ridley is marked for autoremoval from testing

[Debian testing autoremoval watch]

ruby-ridley 4.4.3-2 is marked for autoremoval from testing on 2017-09-06

It is affected by these RC bugs:
870308: ruby-ridley: ruby-ridley FTBFS: test failures

It (build-)depends on packages with these RC bugs:
869179: chef: FTBFS: Could not find 'net-ssh' (< 4.0, >= 2.9) - did find: [net-ssh-4.1.0] (Gem::LoadError)