Auto merge of #74060 - kpp:remove_length_at_most_32, r=dtolnay

Remove trait LengthAtMost32

This is a continuation of https://github.com/rust-lang/rust/pull/74026 preserving the original burrbull's commit.

I talked to @burrbull, he suggested me to finish his PR.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/liballoc/sync.rs b/src/liballoc/sync.rs
index 0cf250576f1..8a5f1ee5076 100644
--- a/src/liballoc/sync.rs
+++ b/src/liballoc/sync.rs
@@ -7,7 +7,6 @@
 //! [arc]: struct.Arc.html
 
 use core::any::Any;
-use core::array::LengthAtMost32;
 use core::borrow;
 use core::cmp::Ordering;
 use core::convert::{From, TryFrom};
@@ -2162,10 +2161,7 @@ where
 }
 
 #[stable(feature = "boxed_slice_try_from", since = "1.43.0")]
-impl<T, const N: usize> TryFrom<Arc<[T]>> for Arc<[T; N]>
-where
-    [T; N]: LengthAtMost32,
-{
+impl<T, const N: usize> TryFrom<Arc<[T]>> for Arc<[T; N]> {
     type Error = Arc<[T]>;
 
     fn try_from(boxed_slice: Arc<[T]>) -> Result<Self, Self::Error> {