Delete core/asserts.hpp and use ndn-cxx's util/concepts.hpp instead

Change-Id: I13a3460c1c3a90ea0fdca3d8212267353f72af4f
diff --git a/daemon/table/strategy-choice.cpp b/daemon/table/strategy-choice.cpp
index 7d25b4b..8e026dc 100644
--- a/daemon/table/strategy-choice.cpp
+++ b/daemon/table/strategy-choice.cpp
@@ -26,19 +26,20 @@
 #include "strategy-choice.hpp"
 #include "measurements-entry.hpp"
 #include "pit-entry.hpp"
-#include "core/asserts.hpp"
 #include "core/logger.hpp"
 #include "fw/strategy.hpp"
 
+#include <ndn-cxx/util/concepts.hpp>
+
 namespace nfd {
 namespace strategy_choice {
 
-using fw::Strategy;
-
-NFD_ASSERT_FORWARD_ITERATOR(StrategyChoice::const_iterator);
+NDN_CXX_ASSERT_FORWARD_ITERATOR(StrategyChoice::const_iterator);
 
 NFD_LOG_INIT("StrategyChoice");
 
+using fw::Strategy;
+
 static inline bool
 nteHasStrategyChoiceEntry(const name_tree::Entry& nte)
 {