Make libnosys function stubs part of libnacl

src/untrusted/nacl/stubs/utime.c

Index: src/untrusted/nacl/stubs/utime.c
diff --git a/src/untrusted/nosys/utime.c b/src/untrusted/nacl/stubs/utime.c
similarity index 84%
rename from src/untrusted/nosys/utime.c
rename to src/untrusted/nacl/stubs/utime.c
index a811c7b138e54f3ff0a0be85515128af3da6ca1f..342e1eaa45007bbf04d21fe73878db8c241c468f 100644
--- a/src/untrusted/nosys/utime.c
+++ b/src/untrusted/nacl/stubs/utime.c
@@ -18,6 +18,3 @@ int utime(const char *filename, const struct utimbuf *buf) {
   errno = ENOSYS;
   return -1;
 }
-
-#include "native_client/src/untrusted/nosys/warning.h"
-stub_warning(utime);