Delete unused member in VideoSendStream

Bug: webrtc:13757
Change-Id: I052a1c96ed1f5d14a0fc1f23ba51e53ddbdb16f9
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/304962
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Reviewed-by: Philip Eliasson <philipel@webrtc.org>
Commit-Queue: Philip Eliasson <philipel@webrtc.org>
Auto-Submit: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40054}
diff --git a/video/video_send_stream_impl.cc b/video/video_send_stream_impl.cc
index 597bf39..d0a96ce 100644
--- a/video/video_send_stream_impl.cc
+++ b/video/video_send_stream_impl.cc
@@ -245,7 +245,6 @@
       encoder_target_rate_bps_(0),
       encoder_bitrate_priority_(initial_encoder_bitrate_priority),
       video_stream_encoder_(video_stream_encoder),
-      bandwidth_observer_(transport->GetBandwidthObserver()),
       rtp_video_sender_(rtp_video_sender),
       configured_pacing_factor_(
           GetConfiguredPacingFactor(*config_, content_type, pacing_config_)) {
diff --git a/video/video_send_stream_impl.h b/video/video_send_stream_impl.h
index f202b57..c5e0980 100644
--- a/video/video_send_stream_impl.h
+++ b/video/video_send_stream_impl.h
@@ -156,8 +156,6 @@
   double encoder_bitrate_priority_ RTC_GUARDED_BY(thread_checker_);
 
   VideoStreamEncoderInterface* const video_stream_encoder_;
-
-  RtcpBandwidthObserver* const bandwidth_observer_;
   RtpVideoSenderInterface* const rtp_video_sender_;
 
   ScopedTaskSafety worker_queue_safety_;