[ruby/psych] Removed the related condition of --enable-bundled-libyaml
https://github.com/ruby/psych/commit/7c211a43c1
[ruby/psych] Removed the related condition of --enable-bundled-libyaml
https://github.com/ruby/psych/commit/7c211a43c1