Remove stabilized features

Author: Kobzol

crates/core_arch/src/lib.rs

@@ -33,10 +33,8 @@
     decl_macro,
     generic_arg_infer,
     asm_experimental_arch,
-    sha512_sm_x86,
     x86_amx_intrinsics,
     f16,
-    keylocker_x86,
     aarch64_unstable_target_feature,
     bigint_helper_methods
 )]

crates/std_detect/tests/x86-specific.rs

@@ -2,10 +2,8 @@
 #![allow(internal_features)]
 #![feature(
     stdarch_internal,
-    sha512_sm_x86,
     x86_amx_intrinsics,
     xop_target_feature,
-    keylocker_x86,
     movrs_target_feature
 )]