[NaCl SDK] nacl_io: Remove unneeded glibc syscall entry points.

native_client_sdk/src/libraries/nacl_io/syscalls/rmdir.c

Index: native_client_sdk/src/libraries/nacl_io/syscalls/rmdir.c
diff --git a/native_client_sdk/src/libraries/nacl_io/syscalls/rmdir.c b/native_client_sdk/src/libraries/nacl_io/syscalls/rmdir.c
deleted file mode 100644
index 35c62db6735b9ee143eecf9a1b3cb7d2e0d70390..0000000000000000000000000000000000000000
--- a/native_client_sdk/src/libraries/nacl_io/syscalls/rmdir.c
+++ /dev/null
@@ -1,10 +0,0 @@
-/* Copyright (c) 2013 The Chromium Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file. */
-
-#include "nacl_io/kernel_intercept.h"
-#include "nacl_io/kernel_wrap.h"
-
-int rmdir(const char* path) {
-  return ki_rmdir(path);
-}