Fix double import in wasm thread

The `unsupported` type is imported two times, as `super::unsupported` and as `crate::sys::unsupported`, throwing an error. Remove `super::unsupported` in favor of the other.

diff --git a/library/std/src/sys/wasm/atomics/thread.rs b/library/std/src/sys/wasm/atomics/thread.rs
index 0971483510495bb33f586467689164dc331aec90..a66ab0837570d59db4b152288d0d195349efac16 100644 (file)
--- a/library/std/src/sys/wasm/atomics/thread.rs
+++ b/library/std/src/sys/wasm/atomics/thread.rs
@@ -1,4 +1,3 @@
-use super::unsupported;
 use crate::ffi::CStr;
 use crate::io;
 use crate::num::NonZeroUsize;