core/crypto/_aes/hw_intel: Remove a copy of zero_explicit

core/crypto/_aes/hw_intel/hw_intel_keysched.odin

@@ -24,6 +24,7 @@
 package aes_hw_intel
 
 import "base:intrinsics"
+import "core:crypto"
 import "core:crypto/_aes"
 import "core:simd/x86"
 
@@ -173,28 +174,5 @@ keysched :: proc(ctx: ^Context, key: []byte) {
 
 	ctx._num_rounds = num_rounds
 
-	zero_explicit(&sks, size_of(sks))
+	crypto.zero_explicit(&sks, size_of(sks))
 }
-
-/*
-Set each byte of a memory range to zero.
-
-This procedure copies the value `0` into the `len` bytes of a memory range,
-starting at address `data`.
-
-This procedure returns the pointer to `data`.
-
-Unlike the `zero()` procedure, which can be optimized away or reordered by the
-compiler under certain circumstances, `zero_explicit()` procedure can not be
-optimized away or reordered with other memory access operations, and the
-compiler assumes volatile semantics of the memory.
-*/
-zero_explicit :: proc "contextless" (data: rawptr, len: int) -> rawptr {
-	// This routine tries to avoid the compiler optimizing away the call,
-	// so that it is always executed.  It is intended to provide
-	// equivalent semantics to those provided by the C11 Annex K 3.7.4.1
-	// memset_s call.
-	intrinsics.mem_zero_volatile(data, len) // Use the volatile mem_zero
-	intrinsics.atomic_thread_fence(.Seq_Cst) // Prevent reordering
-	return data
-}