[ruby/rdoc] Remove trailing spaces to fix CI
https://github.com/ruby/ruby/actions/runs/3199301563/jobs/5224898228
https://github.com/ruby/rdoc/commit/369e4fa32d60bc00982801a6848efe5338603ac5
[ruby/rdoc] Remove trailing spaces to fix CI
https://github.com/ruby/ruby/actions/runs/3199301563/jobs/5224898228
https://github.com/ruby/rdoc/commit/369e4fa32d60bc00982801a6848efe5338603ac5