Remove #![feature(async_await)]

darinmorrison · darinmorrison · commit 349f457e8c86 · 2020-01-02T20:06:32.000-07:00
diff --git a/tracing-attributes/test_async_await/tests/async_fn.rs b/tracing-attributes/test_async_await/tests/async_fn.rs
@@ -1,5 +1,3 @@
-#![feature(async_await)]
-
 use test_std_future::{
     PollN,
     block_on_future,
