llvm-16.0: Remove build dependencies for <valgrind/valgrind.h>.

Change-Id: I1324b4b1d1f279a7d6d23fa636c44815423702bd
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/73348
Kokoro-Result: kokoro <noreply+kokoro@google.com>
Tested-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Reviewed-by: Geoff Lang <geofflang@google.com>
Presubmit-Ready: Ben Clayton <bclayton@google.com>
Commit-Queue: Geoff Lang <geofflang@google.com>

third_party/llvm-16.0/configs/linux/include/llvm/Config/config.h

diff --git a/third_party/llvm-16.0/configs/linux/include/llvm/Config/config.h b/third_party/llvm-16.0/configs/linux/include/llvm/Config/config.h
index 8788e3c..5e169c0 100644
--- a/third_party/llvm-16.0/configs/linux/include/llvm/Config/config.h
+++ b/third_party/llvm-16.0/configs/linux/include/llvm/Config/config.h
@@ -222,7 +222,7 @@
 #define HAVE_UNISTD_H 1
 
 /* Define to 1 if you have the <valgrind/valgrind.h> header file. */
-#define HAVE_VALGRIND_VALGRIND_H 1
+/* #undef HAVE_VALGRIND_VALGRIND_H */
 
 /* Have host's _alloca */
 /* #undef HAVE__ALLOCA */