Remove unnecessary import of `crate::marker` in std::sys_common::remutex.

It was used for marker::Send, but Send is already in scope.

1 files changed, 1 insertions, 2 deletions

diff --git a/library/std/src/sys_common/remutex.rs b/library/std/src/sys_common/remutex.rs
index 162eab2388d..35d6701efd0 100644
--- a/library/std/src/sys_common/remutex.rs
+++ b/library/std/src/sys_common/remutex.rs
@@ -2,7 +2,6 @@
 mod tests;
 
 use crate::fmt;
-use crate::marker;
 use crate::ops::Deref;
 use crate::panic::{RefUnwindSafe, UnwindSafe};
 use crate::sys::mutex as sys;
@@ -40,7 +39,7 @@ pub struct ReentrantMutexGuard<'a, T: 'a> {
     lock: &'a ReentrantMutex<T>,
 }
 
-impl<T> !marker::Send for ReentrantMutexGuard<'_, T> {}
+impl<T> !Send for ReentrantMutexGuard<'_, T> {}
 
 impl<T> ReentrantMutex<T> {
     /// Creates a new reentrant mutex in an unlocked state.