[Extensions] Remove the "use_movable_types" entry from idl/json files

chrome/common/extensions/api/enterprise_platform_keys_internal.idl

 // 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.
 
 // Internal API for platform keys and certificate management.
 [ platforms = ("chromeos"),
-  implemented_in = "chrome/browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_api.h",
-  use_movable_types=true ]
+  implemented_in = "chrome/browser/extensions/api/enterprise_platform_keys/enterprise_platform_keys_api.h" ]
 namespace enterprise.platformKeysInternal {
   // Invoked by <code>getTokens</code>.
   // |tokenIds| The list of IDs of the avialable Tokens.
   callback GetTokensCallback = void(DOMString[] tokenIds);
 
   // Invoked by <code>generateKey</code>.
   // |publicKey| The Subject Public Key Info (see X.509) of the generated key
   //     in DER encoding.
   callback GenerateKeyCallback = void(ArrayBuffer publicKey);
 
@@ skipping 10 matching lines @@
     // RSASSA-PKCS1-v1_5.
     // |tokenId| The id of a Token returned by |getTokens|.
     // |modulusLength| The length, in bits, of the RSA modulus.
     // |callback| Called back with the Subject Public Key Info of the generated
     //     key.
     static void generateKey(DOMString tokenId,
                             long modulusLength,
                             GenerateKeyCallback callback);
   };
 };