Fix incorrect API version information.

ppapi/api/ppb_file_io.idl

 /* Copyright (c) 2011 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.
  */
 
 
 /**
  * This file defines the API to create a file i/o object.
  */
 
 label Chrome {
-  M13 = 0.5,
   M14 = 1.0
 };
 
 /**
  * The PP_FileOpenFlags enum contains file open constants.
  */
 [assert_size(4)]
  enum PP_FileOpenFlags {
   /** Requests read access to a file. */
   PP_FILEOPENFLAG_READ      = 1 << 0,
@@ skipping 24 matching lines @@
    * file already exists, then the FileIO::Open() call will fail.
    */
   PP_FILEOPENFLAG_EXCLUSIVE = 1 << 4
 };
 
 
 /**
  * The <code>PPB_FileIO</code> struct is used to operate on a regular file
  * (PP_FileType_Regular).
  */
-[version=0.5]
 interface PPB_FileIO {
   /**
    * Create() creates a new FileIO object.
    *
    * @param[in] instance A <code>PP_Instance</code> indentifying the instance
    * with the file.
    *
    * @return A <code>PP_Resource</code> corresponding to a FileIO if
    * successful or 0 if the module is invalid.
    */
@@ skipping 153 matching lines @@
    * <strong>Note:</strong> If the FileIO object is destroyed, and it is still
    * open, then it will be implicitly closed, so you are not required to call
    * Close().
    *
    * @param[in] file_io A <code>PP_Resource</code> corresponding to a file
    * FileIO.
    */
   void Close([in] PP_Resource file_io);
 };