Remove benign macro redefinition.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14269 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/cachegrind/cg_main.c b/cachegrind/cg_main.c
index bdfda33..a486997 100644
--- a/cachegrind/cg_main.c
+++ b/cachegrind/cg_main.c
@@ -1363,8 +1363,6 @@
 /*--- Cache configuration                                  ---*/
 /*------------------------------------------------------------*/
 
-#define UNDEFINED_CACHE     { -1, -1, -1 }
-
 static cache_t clo_I1_cache = UNDEFINED_CACHE;
 static cache_t clo_D1_cache = UNDEFINED_CACHE;
 static cache_t clo_LL_cache = UNDEFINED_CACHE;