[Google3] Remove valgrind dependency

Change-Id: I796eacdf7c0e1fc9de5b31e47bf0e20cd4aa70d7
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3190430
Commit-Queue: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Dan Elphick <delphick@chromium.org>
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Dan Elphick <delphick@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77120}

src/codegen/x64/cpu-x64.cc

@@ -4,7 +4,7 @@
 
 // CPU specific code for x64 independent of OS goes here.
 
-#if defined(__GNUC__) && !defined(__MINGW64__)
+#if defined(__GNUC__) && !defined(__MINGW64__) && !defined(GOOGLE3)
 #include "src/third_party/valgrind/valgrind.h"
 #endif