Revert of Conversational speech tool, simualtor + unit tests

webrtc/modules/audio_processing/test/conversational_speech/simulator.h

Index: webrtc/modules/audio_processing/test/conversational_speech/simulator.h
diff --git a/webrtc/modules/audio_processing/test/conversational_speech/simulator.h b/webrtc/modules/audio_processing/test/conversational_speech/simulator.h
deleted file mode 100644
index 6224162c25c15b8c94bab4d61ace4ca1f656fc69..0000000000000000000000000000000000000000
--- a/webrtc/modules/audio_processing/test/conversational_speech/simulator.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- *  Copyright (c) 2017 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.
- */
-
-#ifndef WEBRTC_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_SIMULATOR_H_
-#define WEBRTC_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_SIMULATOR_H_
-
-#include <map>
-#include <memory>
-#include <string>
-#include <utility>
-
-#include "webrtc/base/constructormagic.h"
-#include "webrtc/modules/audio_processing/test/conversational_speech/multiend_call.h"
-
-namespace webrtc {
-namespace test {
-namespace conversational_speech {
-
-struct SpeakerOutputFilePaths {
-  SpeakerOutputFilePaths(const std::string& new_near_end,
-                         const std::string& new_far_end)
-      : near_end(new_near_end),
-        far_end(new_far_end) {}
-  // Paths to the near-end and far-end audio track files.
-  const std::string near_end;
-  const std::string far_end;
-};
-
-// Generates the near-end and far-end audio track pairs for each speaker.
-std::unique_ptr<std::map<std::string, SpeakerOutputFilePaths>>
-    Simulate(const MultiEndCall& multiend_call, const std::string& output_path);
-
-}  // namespace conversational_speech
-}  // namespace test
-}  // namespace webrtc
-
-#endif  // WEBRTC_MODULES_AUDIO_PROCESSING_TEST_CONVERSATIONAL_SPEECH_SIMULATOR_H_