Remove unused NTP time functions from RtpPacketReceived.

Bug: none
Change-Id: I05d6f9f1a9e732241e59dc6454d995ff7dce8fdb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/198841
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#32876}
diff --git a/modules/rtp_rtcp/source/rtp_packet_received.h b/modules/rtp_rtcp/source/rtp_packet_received.h
index f5d3176..6727b67 100644
--- a/modules/rtp_rtcp/source/rtp_packet_received.h
+++ b/modules/rtp_rtcp/source/rtp_packet_received.h
@@ -17,7 +17,6 @@
 #include "api/array_view.h"
 #include "api/rtp_headers.h"
 #include "modules/rtp_rtcp/source/rtp_packet.h"
-#include "system_wrappers/include/ntp_time.h"
 
 namespace webrtc {
 // Class to hold rtp packet with metadata for receiver side.
@@ -42,10 +41,6 @@
   int64_t arrival_time_ms() const { return arrival_time_ms_; }
   void set_arrival_time_ms(int64_t time) { arrival_time_ms_ = time; }
 
-  // Estimated from Timestamp() using rtcp Sender Reports.
-  NtpTime capture_ntp_time() const { return capture_time_; }
-  void set_capture_ntp_time(NtpTime time) { capture_time_ = time; }
-
   // Flag if packet was recovered via RTX or FEC.
   bool recovered() const { return recovered_; }
   void set_recovered(bool value) { recovered_ = value; }
@@ -65,7 +60,6 @@
   }
 
  private:
-  NtpTime capture_time_;
   int64_t arrival_time_ms_ = 0;
   int payload_type_frequency_ = 0;
   bool recovered_ = false;