Replace all uses of BOOST_THROW_EXCEPTION with NDN_THROW

Refs: #4834
Change-Id: I6c536cd321fba62d397bf8520f51d2dbba73d908
diff --git a/src/daemon/rrset.cpp b/src/daemon/rrset.cpp
index 75c4d81..5c95a8f 100644
--- a/src/daemon/rrset.cpp
+++ b/src/daemon/rrset.cpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /*
- * Copyright (c) 2014-2018, Regents of the University of California.
+ * Copyright (c) 2014-2020, Regents of the University of California.
  *
  * This file is part of NDNS (Named Data Networking Domain Name Service).
  * See AUTHORS.md for complete list of NDNS authors and contributors.
@@ -62,7 +62,7 @@
 {
   if (getZone() != other.getZone() ||
       (getZone() != nullptr && *getZone() != *other.getZone())) {
-    BOOST_THROW_EXCEPTION(std::runtime_error("Cannot compare Rrset that belong to different zones"));
+    NDN_THROW(std::runtime_error("Cannot compare Rrset that belong to different zones"));
   }
 
   bool isLess = getLabel() < other.getLabel();