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

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

Index: native_client_sdk/src/libraries/nacl_io/syscalls/readlink.c
diff --git a/native_client_sdk/src/libraries/nacl_io/syscalls/readlink.c b/native_client_sdk/src/libraries/nacl_io/syscalls/readlink.c
deleted file mode 100644
index 431f8be6ddf721848a7c8290cb9444defb23e55a..0000000000000000000000000000000000000000
--- a/native_client_sdk/src/libraries/nacl_io/syscalls/readlink.c
+++ /dev/null
@@ -1,15 +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"
-
-#if !defined(__native_client__) || defined(__GLIBC__)
-// GLIBC-only entry point.
-// TODO(sbc): remove once this bug gets fixed:
-// https://code.google.com/p/nativeclient/issues/detail?id=3709
-int readlink(const char* pathname, char* buf, int len) {
-  return ki_readlink(pathname, buf, len);
-}
-#endif