Fix CI by removing stabilized nightly feature

Amanieu · Amanieu · commit 120a42b8ea6c · 2023-03-29T22:17:23.000+01:00
diff --git a/src/lib.rs b/src/lib.rs
@@ -20,7 +20,6 @@
         extend_one,
         allocator_api,
         slice_ptr_get,
-        nonnull_slice_from_raw_parts,
         maybe_uninit_array_assume_init,
         build_hasher_simple_hash_one,
         strict_provenance
