Revert of [Chromecast] Process streams with different post-processing.

chromecast/media/base/audio_device_ids.cc

Index: chromecast/media/base/audio_device_ids.cc
diff --git a/chromecast/media/base/audio_device_ids.cc b/chromecast/media/base/audio_device_ids.cc
deleted file mode 100644
index 1ddb012c24c288b3e0103322b44da455f8b40836..0000000000000000000000000000000000000000
--- a/chromecast/media/base/audio_device_ids.cc
+++ /dev/null
@@ -1,15 +0,0 @@
-// 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.
-
-#include "chromecast/media/base/audio_device_ids.h"
-
-namespace chromecast {
-namespace media {
-
-const char kAlarmAudioDeviceId[] = "assistant-alarm";
-const char kEarconAudioDeviceId[] = "default-earcon";
-const char kTtsAudioDeviceId[] = "assistant-tts";
-
-}  // namespace media
-}  // namespace chromecast