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

[Debian testing autoremoval watch]

ruby-omniauth-openid 1.0.1-2 is marked for autoremoval from testing on 2015-09-12

It (build-)depends on packages with these RC bugs:
794134: ruby-openid: FTBFS: `require': cannot load such file -- hmac/sha1 (LoadError)