core: reimplement logging using ndn-cxx's facility

Change-Id: Ifc7c5d70a61ad405dc1f1adfa522a2c0ad1586ab
Refs: #4580
diff --git a/daemon/table/cs.cpp b/daemon/table/cs.cpp
index c789567..00dc9ee 100644
--- a/daemon/table/cs.cpp
+++ b/daemon/table/cs.cpp
@@ -35,7 +35,7 @@
 
 NDN_CXX_ASSERT_FORWARD_ITERATOR(Cs::const_iterator);
 
-NFD_LOG_INIT("ContentStore");
+NFD_LOG_INIT(ContentStore);
 
 unique_ptr<Policy>
 makeDefaultPolicy()