[ruby/stringio] Remove taint support
Ruby 2.7 deprecates taint and it no longer has an effect. The lack of taint support should not cause a problem in previous Ruby versions.
https://github.com/ruby/stringio/commit/60ee9ccd95
Added by jeremyevans (Jeremy Evans) about 6 years ago
[ruby/stringio] Remove taint support
Ruby 2.7 deprecates taint and it no longer has an effect.
The lack of taint support should not cause a problem in
previous Ruby versions.
https://github.com/ruby/stringio/commit/60ee9ccd95