Revert "Implement GpuArcVideoService for arc video accelerator"

components/arc/common/video.mojom

Index: components/arc/common/video.mojom
diff --git a/components/arc/common/video.mojom b/components/arc/common/video.mojom
deleted file mode 100644
index b21a1dbc4a62a3951bcf45f2441c67f1adde745b..0000000000000000000000000000000000000000
--- a/components/arc/common/video.mojom
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2016 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.
-
-module arc;
-
-interface VideoHost {
-  // Notifies Chrome a request for ipc channel of video acceleration.
-  OnRequestArcVideoAcceleratorChannel() => (handle channel_handle);
-};
-
-interface VideoInstance {
-  // Establishes full-duplex communication with the host.
-  Init(VideoHost host_ptr);
-};