tree 1ef57687ca9243f96e4f1f57800df915bc7c98ae
parent 3ce24b87a26ebb26536f2ad9cb37bac34b9d7772
author Elliott Hughes <enh@google.com> 1612458301 -0800
committer Elliott Hughes <enh@google.com> 1612458301 -0800

Remove all the `cpp_std: "experimental"`s.

None of them are necessary, and it's more intention-revealing to say
`c++2a` or whatever anyway.

Test: treehugger
Change-Id: Ie1df26499d160d6fc757d17fcb0121997bda14f9