d/control: remove deprecated XB-* and XS-* fields

debian/control

@@ -15,12 +15,10 @@ Standards-Version: 4.7.0
 Vcs-Browser: https://salsa.debian.org/ruby-team/ruby-openid
 Vcs-Git: https://salsa.debian.org/ruby-team/ruby-openid.git
 Homepage: https://github.com/openid/ruby-openid
-XS-Ruby-Versions: all
 Rules-Requires-Root: no
 
 Package: ruby-openid
 Architecture: all
-XB-Ruby-Versions: ${ruby:Versions}
 Depends: ruby-hmac,
          ${ruby:Depends},
          ${misc:Depends},