face: remove EndpointId from egress APIs

This commit partially reverts 075bb7dac4bf72cbfcff5e3c2da25c6476090787

refs: #4843, #4973

Change-Id: Iab92addff2bd0fa1e24100d43f9f7076ee84a3f8
diff --git a/daemon/face/lp-reliability.cpp b/daemon/face/lp-reliability.cpp
index 21189be..f387add 100644
--- a/daemon/face/lp-reliability.cpp
+++ b/daemon/face/lp-reliability.cpp
@@ -242,7 +242,7 @@
 
   m_idleAckTimer = getScheduler().schedule(m_options.idleAckTimerPeriod, [this] {
     while (!m_ackQueue.empty()) {
-      m_linkService->requestIdlePacket(0);
+      m_linkService->requestIdlePacket();
     }
   });
 }
@@ -346,7 +346,7 @@
     deleteUnackedFrag(txSeqIt);
 
     // Retransmit fragment
-    m_linkService->sendLpPacket(lp::Packet(newTxFrag.pkt), 0);
+    m_linkService->sendLpPacket(lp::Packet(newTxFrag.pkt));
 
     auto rto = m_rttEst.getEstimatedRto();
     NFD_LOG_FACE_TRACE("retransmitting seq=" << seq << ", txseq=" << newTxSeq << ", retx=" <<