There isn't an option to enable or disable valgrind support, so disable it to avoid non-deterministic builds.

Upstream-Status: Inappropriate
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/configure b/configure
index b3c4f51..4d3929e 100755
--- a/configure
+++ b/configure
@@ -4193,9 +4192,0 @@ valgrind_h=no
-cat > $TMPC << EOF
-#include <valgrind/valgrind.h>
-int main(void) {
-  return 0;
-}
-EOF
-if compile_prog "" "" ; then
-    valgrind_h=yes
-fi
