Revert of add voice interaction shortcut.

components/arc/common/voice_interaction_framework.mojom

-// Copyright 2017 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.
-//
-// Next MinVersion: 1
-
-module arc.mojom;
-
-// Handles voice interaction queries from Android.
-// Next method ID: 1
-interface VoiceInteractionFrameworkHost {
-  // Returns a screenshot of currently focused window or empty array if
-  // no window is focused.
-  CaptureFocusedWindow@0() => (array<uint8> png_data);
-};
-
-// Connects with Android system server.
-// Next method ID:2
-interface VoiceInteractionFrameworkInstance {
-  Init@0(VoiceInteractionFrameworkHost host_ptr);
-
-  // Starts the voice interaction session in container.
-  StartVoiceInteractionSession@1();
-};