face: remove EndpointId from egress APIs in transport

refs: #4973
Change-Id: I43ca0c0826ec132413c584a1daa2d4687a4965fd
diff --git a/daemon/face/websocket-transport.cpp b/daemon/face/websocket-transport.cpp
index bd45711..3ac0023 100644
--- a/daemon/face/websocket-transport.cpp
+++ b/daemon/face/websocket-transport.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2019,  Regents of the University of California,
+ * Copyright (c) 2014-2020,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -78,7 +78,7 @@
 }
 
 void
-WebSocketTransport::doSend(const Block& packet, const EndpointId&)
+WebSocketTransport::doSend(const Block& packet)
 {
   NFD_LOG_FACE_TRACE(__func__);