Revert of Update histogram "WebRTC.Video.OnewayDelayInMs" to use the estimated one-way delay.

webrtc/video/end_to_end_tests.cc

Index: webrtc/video/end_to_end_tests.cc
diff --git a/webrtc/video/end_to_end_tests.cc b/webrtc/video/end_to_end_tests.cc
index 5c536a6182e14a6caeb5ae9cf3f0e1ea9f38dffe..e000b3f8b5fd1017f86ed1f11d29c0b9fa542e38 100644
--- a/webrtc/video/end_to_end_tests.cc
+++ b/webrtc/video/end_to_end_tests.cc
@@ -2160,8 +2160,6 @@ void EndToEndTest::VerifyHistogramStats(bool use_rtx,
         (*receive_configs)[0].rtp.rtx[kFakeVideoSendPayloadType].payload_type =
             kSendRtxPayloadType;
       }
-      // RTT needed for RemoteNtpTimeEstimator for the receive stream.
-      (*receive_configs)[0].rtp.rtcp_xr.receiver_reference_time_report = true;
       encoder_config->content_type =
           screenshare_ ? VideoEncoderConfig::ContentType::kScreen
                        : VideoEncoderConfig::ContentType::kRealtimeVideo;