Delete obsolete file mock_congestion_controller.h.

webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h

Index: webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
diff --git a/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h b/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
deleted file mode 100644
index 169fa1ce167369a21e3a019b57e2d58e347252c6..0000000000000000000000000000000000000000
--- a/webrtc/modules/congestion_controller/include/mock/mock_congestion_controller.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-// TODO(nisse): Old include file kept temporarily, to not break
-// downstream applications. Delete as soon as downstrem is updated.
-
-#ifndef WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_CONGESTION_CONTROLLER_H_
-#define WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_CONGESTION_CONTROLLER_H_
-
-#include "webrtc/modules/congestion_controller/include/mock/mock_congestion_observer.h"
-
-#endif  // WEBRTC_MODULES_CONGESTION_CONTROLLER_INCLUDE_MOCK_MOCK_CONGESTION_CONTROLLER_H_