3a3dfcbb7d
The "new" rti library has been standard for years now and no one should be passing `--experiment-new-rti` or `--use-old-rti`. We can now clean up any references to different versions of rtis. Change-Id: I4421b8943fe5034ed4d259477e8112b25ba0c763 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/416326 Reviewed-by: Nate Biggs <natebiggs@google.com> Commit-Queue: Mayank Patke <fishythefish@google.com>