Rollup merge of #85670 - m-ou-se:array-intoiter-1, r=scottmcm

Remove arrays/IntoIterator message from Iterator trait.

Arrays implement IntoIterator since 1.53.

cc https://github.com/rust-lang/rust/issues/84513

library/core/src/iter/traits/iterator.rs

@@ -79,11 +79,6 @@ fn _assert_is_object_safe(_: &dyn Iterator<Item = ()>) {}
         _Self = "std::string::String",
         label = "`{Self}` is not an iterator; try calling `.chars()` or `.bytes()`"
     ),
-    on(
-        _Self = "[]",
-        label = "arrays do not yet implement `IntoIterator`; try using `std::array::IntoIter::new(arr)`",
-        note = "see <https://github.com/rust-lang/rust/pull/65819> for more details"
-    ),
     on(
         _Self = "{integral}",
         note = "if you want to iterate between `start` until a value `end`, use the exclusive range \