(lib/sleep_until) fmt + fix tiny rebase mistake

Author: dvdsk

library/std/src/sys/pal/wasi/thread.rs

@@ -197,6 +197,6 @@ fn sleep_with(nanos: u64, clock_id: wasi::Clockid, flags: u16) {
     }
 }
 
-pub fn available_parallelism() -> io::Result<NonZeroUsize> {
+pub fn available_parallelism() -> io::Result<NonZero<usize>> {
     unsupported()
 }

library/std/src/sys/pal/windows/thread.rs

@@ -1,14 +1,3 @@
-use crate::io;
-use crate::num::NonZeroUsize;
-use crate::os::windows::io::AsRawHandle;
-use crate::os::windows::io::HandleOrNull;
-use crate::ptr;
-use crate::sys::c;
-use crate::sys::handle::Handle;
-use crate::sys::stack_overflow;
-use crate::sys_common::FromInner;
-use crate::time::{Duration, Instant};
-
 use core::ffi::c_void;
 
 use super::time::WaitableTimer;
@@ -19,7 +8,7 @@ use crate::os::windows::io::{AsRawHandle, HandleOrNull};
 use crate::sys::handle::Handle;
 use crate::sys::{c, stack_overflow};
 use crate::sys_common::FromInner;
-use crate::time::{Duration, Instant};
+use crate::time::Duration;
 use crate::{io, ptr};
 
 pub const DEFAULT_MIN_STACK_SIZE: usize = 2 * 1024 * 1024;