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

[Debian testing autoremoval watch]

ruby-roadie 3.1.1-1 is marked for autoremoval from testing on 2017-09-02

It is affected by these RC bugs:
869031: ruby-roadie: FTBFS: unsatisfiable build-dependency: ruby-nokogiri (< 1.7.0) but 1.8.0-1 is to be installed
869055: ruby-roadie: FTBFS: unsatisfiable build-dependency: ruby-nokogiri (< 1.7.0) but 1.8.0-1 is to be installed
869065: ruby-roadie: FTBFS: unsatisfiable build-dependency: ruby-nokogiri (< 1.7.0) but 1.8.0-1 is to be installed