Removes deprecated GetSentPacket from PacketResult.

Bug: webrtc:9934
Change-Id: If4dc15a3122cbcafc87a93042bc46e49276860b6
Reviewed-on: https://webrtc-review.googlesource.com/c/109023
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25530}
diff --git a/api/transport/network_types.h b/api/transport/network_types.h
index 0906b7e..0f1d7ab 100644
--- a/api/transport/network_types.h
+++ b/api/transport/network_types.h
@@ -128,8 +128,6 @@
 
   SentPacket sent_packet;
   Timestamp receive_time = Timestamp::PlusInfinity();
-  // TODO(bugs.webrtc.org/9934): Remove this when downsrteam projects are ready.
-  const SentPacket& GetSentPacket() const { return sent_packet; }
 };
 
 struct TransportPacketsFeedback {