Revert of Injectable Obj-C video codecs

webrtc/sdk/objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h

Index: webrtc/sdk/objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h
diff --git a/webrtc/sdk/objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h b/webrtc/sdk/objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h
deleted file mode 100644
index dca7fe289981b085f54d433cbf15c58572e1a056..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/PeerConnection/objc_video_decoder_factory.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- *  Copyright 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_SDK_OBJC_FRAMEWORK_CLASSES_PEERCONNECTION_OBJC_VIDEO_DECODER_FACTORY_H_
-#define WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_PEERCONNECTION_OBJC_VIDEO_DECODER_FACTORY_H_
-
-#include "webrtc/media/base/codec.h"
-#include "webrtc/media/engine/webrtcvideodecoderfactory.h"
-
-@protocol RTCVideoDecoderFactory;
-
-namespace webrtc {
-
-class ObjCVideoDecoderFactory : public cricket::WebRtcVideoDecoderFactory {
- public:
-  explicit ObjCVideoDecoderFactory(id<RTCVideoDecoderFactory>);
-  ~ObjCVideoDecoderFactory();
-
-  id<RTCVideoDecoderFactory> wrapped_decoder_factory() const;
-
-  webrtc::VideoDecoder* CreateVideoDecoder(
-      webrtc::VideoCodecType type) override;
-  void DestroyVideoDecoder(webrtc::VideoDecoder* decoder) override;
-
- private:
-  id<RTCVideoDecoderFactory> decoder_factory_;
-  std::vector<cricket::VideoCodec> supported_codecs_;
-};
-
-}  // namespace webrtc
-
-#endif  // WEBRTC_SDK_OBJC_FRAMEWORK_CLASSES_PEERCONNECTION_OBJC_VIDEO_DECODER_FACTORY_H_