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

chrome/common/extensions/api/audio_modem.idl

 // Copyright 2015 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.
 
 // Use the <code>chrome.audio_modem</code> API
 // to transmit and receive short tokens over audio.
-[use_movable_types=true]namespace audioModem {
+namespace audioModem {
   // The audio bands supported.
   enum Audioband {
     // Audible (up to 3 kHz)
     audible,
     // Inaudible (18-20 kHz)
     inaudible
   };
 
   // Details for how a token is encoded in audio.
   dictionary TokenEncoding {
@@ skipping 59 matching lines @@
 
   interface Events {
     // Audio tokens have been received.
     static void onReceived(ReceivedToken[] tokens);
     // Transmit could not be confirmed.
     // The speaker volume might be too low.
     static void onTransmitFail(Audioband band);
   };
 };