[build] Enhancement: Dropping Unused Features
This commit is related to
#![cfg_attr(feature = "strict", deny(clippy:all))]
#![recursion_limit = "512"]
-#![feature(maybe_uninit_uninit_array)]
#![feature(new_uninit)]
-#![feature(try_blocks)]
#![feature(atomic_from_mut)]
#![feature(never_type)]
#![feature(test)]
#![feature(type_alias_impl_trait)]
#![feature(allocator_api)]
#![feature(slice_ptr_get)]
-#![feature(ptr_sub_ptr)]
#![feature(strict_provenance)]
-#![feature(ptr_as_uninit)]
mod collections;
mod pal;
