🖍 _This is an audit!_ 🖍
## Summary:
We've completed support for interfaces! Fragments are still pending,
but interfaces by themselves should be usable. But I forgot to actually
remove the flag they were behind. In this commit I do!
Issue: https://khanacademy.slack.com/archives/C01120CNCS0/p1630012808004100
## Test plan:
make check
Author: benjaminjkraft
Auditors: aberkan, csilvers, dnerdy, MiguelCastillo
Required Reviewers:
Approved by:
Checks: ⌛ Test (1.17), ⌛ Test (1.16), ⌛ Test (1.15), ⌛ Test (1.14), ⌛ Test (1.13), ⌛ Lint, ⌛ Test (1.17), ⌛ Test (1.16), ⌛ Test (1.15), ⌛ Test (1.14), ⌛ Test (1.13), ✅ Lint
Pull request URL: https://github.com/Khan/genqlient/pull/67
