remove outdated word

Author: nikomatsakis

posts/2019-09-27-Async-await-hits-beta.md

@@ -83,9 +83,9 @@ book]. Once progress is made on that, we'll be considering what
 features to implement next.
 
 (An aside: this is the first time that we've ever opted to spin *down*
-a working group before, and we realized that we don't have a formal
-policy for that. We've [created an issue][gov25] with the [governance
-working group][gov-wg] to look into that for the future.)
+a working group, and we realized that we don't have a formal policy
+for that. We've [created an issue][gov25] with the [governance working
+group][gov-wg] to look into that for the future.)
 
 [gov25]: https://github.com/rust-lang/wg-governance/issues/25
 [gov-wg]: https://github.com/rust-lang/wg-governance/