Remove `CallReceiveStatistics::rttMs`

Bug: webrtc:10739
Change-Id: I747ef1d4bf8980755e7c6dcac22e5ed129f6f9cc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/274580
Commit-Queue: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#38041}
diff --git a/audio/channel_receive.cc b/audio/channel_receive.cc
index 530ebf3..3847add 100644
--- a/audio/channel_receive.cc
+++ b/audio/channel_receive.cc
@@ -809,8 +809,6 @@
   stats.cumulativeLost = rtp_stats.packets_lost;
   stats.jitterSamples = rtp_stats.jitter;
 
-  stats.rttMs = GetRTT();
-
   // Data counters.
   if (statistician) {
     stats.payload_bytes_rcvd = rtp_stats.packet_counter.payload_bytes;
diff --git a/audio/channel_receive.h b/audio/channel_receive.h
index ae9cd59..c3eca29 100644
--- a/audio/channel_receive.h
+++ b/audio/channel_receive.h
@@ -53,7 +53,6 @@
 struct CallReceiveStatistics {
   unsigned int cumulativeLost;
   unsigned int jitterSamples;
-  int64_t rttMs;
   int64_t payload_bytes_rcvd = 0;
   int64_t header_and_padding_bytes_rcvd = 0;
   int packetsReceived;