Remove bogus legacy declarations, from the time when the AMD64
version of VALGRIND_MAGIC_SEQUENCE printed a message and exited.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@4226 a5019735-40e9-0310-863c-91ae7b9d1cf9
diff --git a/include/valgrind.h b/include/valgrind.h
index a74e228..a712085 100644
--- a/include/valgrind.h
+++ b/include/valgrind.h
@@ -124,8 +124,6 @@
 */
 
 #ifdef __x86_64__
-extern int printf (__const char *__restrict __format, ...);
-extern void exit (int __status);
 #define VALGRIND_MAGIC_SEQUENCE(                                \
         _zzq_rlval, _zzq_default, _zzq_request,                 \
         _zzq_arg1, _zzq_arg2, _zzq_arg3, _zzq_arg4)             \