Revert "pit: add EndpointId field in in-record and out-record"

This reverts commit d3ae85dbad518da84d0ef5ba61b81108e40f84f3.

refs: #4973

Change-Id: I0aedfca8ae75137c8c9073a51642bfacf9d8f212
diff --git a/daemon/fw/process-nack-traits.cpp b/daemon/fw/process-nack-traits.cpp
index 6f3ad08..ed599d9 100644
--- a/daemon/fw/process-nack-traits.cpp
+++ b/daemon/fw/process-nack-traits.cpp
@@ -56,7 +56,7 @@
 
   if (nOutRecordsNotNacked == 1) {
     BOOST_ASSERT(lastFaceNotNacked != nullptr);
-    pit::InRecordCollection::iterator inR = pitEntry->getInRecord(*lastFaceNotNacked, 0);
+    pit::InRecordCollection::iterator inR = pitEntry->getInRecord(*lastFaceNotNacked);
     if (inR != pitEntry->in_end()) {
       // one out-record not Nacked, which is also a downstream
       NFD_LOG_DEBUG(nack.getInterest() << " nack-from=" << inFace.getId() <<