Remove irt_nonsfi.h, which is no longer necessary.

ppapi/nacl_irt/public/irt_nonsfi.h

Index: ppapi/nacl_irt/public/irt_nonsfi.h
diff --git a/ppapi/nacl_irt/public/irt_nonsfi.h b/ppapi/nacl_irt/public/irt_nonsfi.h
deleted file mode 100644
index 82d6635a01e8ab097935b39ec9b9cd1e3b8e8951..0000000000000000000000000000000000000000
--- a/ppapi/nacl_irt/public/irt_nonsfi.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright 2014 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.
- */
-// TODO(mazda): Remove this file once NaCl has been rolled to the revision
-// that includes the definition of nacl_irt_icache.
-// https://code.google.com/p/nativeclient/issues/detail?id=4033
-
-#ifndef PPAPI_NACL_IRT_PUBLIC_IRT_NONSFI_H_
-#define PPAPI_NACL_IRT_PUBLIC_IRT_NONSFI_H_
-
-#if !defined(NACL_IRT_ICACHE_v0_1)
-
-#include <stddef.h>
-
-/*
- * This interface is only available on ARM, only for Non-SFI.
- */
-#define NACL_IRT_ICACHE_v0_1 "nacl-irt-icache-0.1"
-struct nacl_irt_icache {
-  /*
-   * clear_cache() makes instruction cache and data cache for the address
-   * range from |addr| to |(intptr_t)addr + size| (exclusive) coherent.
-   */
-  int (*clear_cache)(void* addr, size_t size);
-};
-
-#endif
-
-#endif  // PPAPI_NACL_IRT_PUBLIC_IRT_NONSFI_H_