chore: use std::AtomicPtr and std::AtomicU8

tokio/src/loom/std/atomic_ptr.rs

@@ -1,7 +1,6 @@
 use std::fmt;
 use std::ops::{Deref, DerefMut};
 
-/// `AtomicPtr` providing an additional `load_unsync` function.
 pub(crate) struct AtomicPtr<T> {
     inner: std::sync::atomic::AtomicPtr<T>,
 }

tokio/src/loom/std/atomic_u16.rs

@@ -2,7 +2,7 @@ use std::cell::UnsafeCell;
 use std::fmt;
 use std::ops::Deref;
 
-/// `AtomicU16` providing an additional `load_unsync` function.
+/// `AtomicU16` providing an additional `unsync_load` function.
 pub(crate) struct AtomicU16 {
     inner: UnsafeCell<std::sync::atomic::AtomicU16>,
 }

tokio/src/loom/std/atomic_u32.rs

@@ -2,7 +2,6 @@ use std::cell::UnsafeCell;
 use std::fmt;
 use std::ops::Deref;
 
-/// `AtomicU32` providing an additional `load_unsync` function.
 pub(crate) struct AtomicU32 {
     inner: UnsafeCell<std::sync::atomic::AtomicU32>,
 }

tokio/src/loom/std/atomic_u8.rs

@@ -2,7 +2,6 @@ use std::cell::UnsafeCell;
 use std::fmt;
 use std::ops::Deref;
 
-/// `AtomicU8` providing an additional `load_unsync` function.
 pub(crate) struct AtomicU8 {
     inner: UnsafeCell<std::sync::atomic::AtomicU8>,
 }

tokio/src/loom/std/atomic_usize.rs

@@ -2,7 +2,7 @@ use std::cell::UnsafeCell;
 use std::fmt;
 use std::ops;
 
-/// `AtomicUsize` providing an additional `load_unsync` function.
+/// `AtomicUsize` providing an additional `unsync_load` function.
 pub(crate) struct AtomicUsize {
     inner: UnsafeCell<std::sync::atomic::AtomicUsize>,
 }