Remove handling unused rtcp packets.

webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h

Index: webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
diff --git a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
index 35db67c1047970dbc25f813947e42be9f8e214d5..e0947f03ed1dfb14005aaff1db335a6ff3a2ec9c 100644
--- a/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
+++ b/webrtc/modules/rtp_rtcp/source/rtcp_receiver_help.h
@@ -48,10 +48,6 @@ class RTCPPacketInformation {
   RTCPPacketInformation();
   ~RTCPPacketInformation();
 
-  void AddVoIPMetric(const RTCPVoIPMetric* metric);
-
-  void AddApplicationData(const uint8_t* data, const uint16_t size);
-
   void AddNACKPacket(const uint16_t packetID);
   void ResetNACKPacketIdArray();
 
@@ -62,16 +58,9 @@ class RTCPPacketInformation {
 
   std::vector<uint16_t> nackSequenceNumbers;
 
-  uint8_t applicationSubType;
-  uint32_t applicationName;
-  uint8_t* applicationData;
-  uint16_t applicationLength;
-
   ReportBlockList report_blocks;
   int64_t rtt;
 
-  uint32_t interArrivalJitter;
-
   uint8_t sliPictureId;
   uint64_t rpsiPictureId;
   uint32_t receiverEstimatedMaxBitrate;
@@ -82,7 +71,6 @@ class RTCPPacketInformation {
 
   uint32_t xr_originator_ssrc;
   bool xr_dlrr_item;
-  std::unique_ptr<RTCPVoIPMetric> VoIPMetric;
 
   std::unique_ptr<rtcp::TransportFeedback> transport_feedback_;