Remove assert which was incorrectly added to TcpPort::OnSentPacket.

webrtc/p2p/base/tcpport.cc

Index: webrtc/p2p/base/tcpport.cc
diff --git a/webrtc/p2p/base/tcpport.cc b/webrtc/p2p/base/tcpport.cc
index 6a64174f00d8dc512c9485e608f50d7a2b1e9903..cd3c9192e4165ebeed9e8377e699e9b1a3988c94 100644
--- a/webrtc/p2p/base/tcpport.cc
+++ b/webrtc/p2p/base/tcpport.cc
@@ -289,7 +289,6 @@ void TCPPort::OnReadPacket(rtc::AsyncPacketSocket* socket,
 
 void TCPPort::OnSentPacket(rtc::AsyncPacketSocket* socket,
                            const rtc::SentPacket& sent_packet) {
-  ASSERT(socket == socket_);
   PortInterface::SignalSentPacket(sent_packet);
 }