[rubygems/rubygems] Remove travis_removal_info
travis_removal_info
travis_removal_info is added by https://github.com/rubygems/rubygems/pull/6150. According to the comment, it's supposed to be removed at bundler v2.5.0 but it hasn't.
https://github.com/rubygems/rubygems/commit/e18797d43f
[rubygems/rubygems] Remove
travis_removal_infotravis_removal_infois added by https://github.com/rubygems/rubygems/pull/6150. According to the comment, it's supposed to be removed at bundler v2.5.0 but it hasn't.https://github.com/rubygems/rubygems/commit/e18797d43f