Revert of Reland "Integrate SIMD optimisations for zlib"

third_party/zlib/simd_stub.c

-/* simd_stub.c -- stub implementations
-* Copyright (C) 2014 Intel Corporation
-* For conditions of distribution and use, see copyright notice in zlib.h
-*/
-#include <assert.h>
-
-#include "deflate.h"
-#include "x86.h"
-
-int x86_cpu_enable_simd;
-
-void ZLIB_INTERNAL crc_fold_init(deflate_state *const s) {
-    assert(0);
-}
-
-void ZLIB_INTERNAL crc_fold_copy(deflate_state *const s,
-                                 unsigned char *dst,
-                                 const unsigned char *src,
-                                 long len) {
-    assert(0);
-}
-
-unsigned ZLIB_INTERNAL crc_fold_512to32(deflate_state *const s) {
-    assert(0);
-    return 0;
-}
-
-void ZLIB_INTERNAL fill_window_sse(deflate_state *s)
-{
-    assert(0);
-}
-
-void x86_check_features(void)
-{
-}