Remove unused and possibly incorrectly defined macro.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14259 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/pub_tool_libcbase.h b/include/pub_tool_libcbase.h
index 3107223..8a3f363 100644
--- a/include/pub_tool_libcbase.h
+++ b/include/pub_tool_libcbase.h
@@ -224,7 +224,6 @@
 // is NULL, it uses its own seed, which starts at zero.  If pSeed is
 // non-NULL, it uses and updates whatever pSeed points at.
 extern UInt VG_(random) ( /*MOD*/UInt* pSeed );
-#define VG_RAND_MAX (1ULL << 32)
 
 /* Update a running Adler-32 checksum with the bytes buf[0..len-1] and
    return the updated checksum. If buf is NULL, this function returns