Remove old AudioCodingModule::RegisterReceiveCodec overloads

webrtc/modules/audio_coding/include/audio_coding_module.h

Index: webrtc/modules/audio_coding/include/audio_coding_module.h
diff --git a/webrtc/modules/audio_coding/include/audio_coding_module.h b/webrtc/modules/audio_coding/include/audio_coding_module.h
index a0dafec022db8c55150d706b2761294cf191e87e..a9b9c878582df4734335cbe6c9bcd4b026fd0091 100644
--- a/webrtc/modules/audio_coding/include/audio_coding_module.h
+++ b/webrtc/modules/audio_coding/include/audio_coding_module.h
@@ -490,38 +490,6 @@ class AudioCodingModule {
                                     const SdpAudioFormat& audio_format) = 0;
 
   ///////////////////////////////////////////////////////////////////////////
-  // int32_t RegisterReceiveCodec()
-  // Register possible decoders, can be called multiple times for
-  // codecs, CNG-NB, CNG-WB, CNG-SWB, AVT and RED.
-  //
-  // Input:
-  //   -receive_codec      : parameters of the codec to be registered, c.f.
-  //                         common_types.h for the definition of
-  //                         CodecInst.
-  //
-  // Return value:
-  //   -1 if failed to register the codec
-  //    0 if the codec registered successfully.
-  //
-  virtual int RegisterReceiveCodec(const CodecInst& receive_codec) = 0;
-
-  // Register a decoder; call repeatedly to register multiple decoders. |df| is
-  // a decoder factory that returns an iSAC decoder; it will be called once if
-  // the decoder being registered is iSAC.
-  virtual int RegisterReceiveCodec(
-      const CodecInst& receive_codec,
-      rtc::FunctionView<std::unique_ptr<AudioDecoder>()> isac_factory) = 0;
-
-  // Registers an external decoder. The name is only used to provide information
-  // back to the caller about the decoder. Hence, the name is arbitrary, and may
-  // be empty.
-  virtual int RegisterExternalReceiveCodec(int rtp_payload_type,
-                                           AudioDecoder* external_decoder,
-                                           int sample_rate_hz,
-                                           int num_channels,
-                                           const std::string& name) = 0;
-
-  ///////////////////////////////////////////////////////////////////////////
   // int32_t UnregisterReceiveCodec()
   // Unregister the codec currently registered with a specific payload type
   // from the list of possible receive codecs.