Delete old x86 validator.

src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter_detailed.c

-/*
- * Copyright (c) 2012 The Native Client Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter_detailed.h"
-#include "native_client/src/trusted/validator/x86/ncval_reg_sfi/ncvalidate_iter_internal.h"
-
-NaClValidatorState* NaClValidatorStateCreateDetailed(
-    const NaClPcAddress vbase,
-    const NaClMemorySize sz,
-    const NaClOpKind base_register,
-    const NaClCPUFeaturesX86 *features) {
-  NaClValidatorState* state =
-      NaClValidatorStateCreate(vbase, sz, base_register, FALSE, features);
-  if (state != NULL) {
-    state->do_detailed = TRUE;
-  }
-  return state;
-}