core: move nfd-specific files to daemon/

Refs: #4922
Change-Id: I2243dbb87c63f9cbaf7d7051d7a0d4bca2f9fdb5
diff --git a/daemon/table/name-tree.hpp b/daemon/table/name-tree.hpp
index 1cb5f31..b3c7da4 100644
--- a/daemon/table/name-tree.hpp
+++ b/daemon/table/name-tree.hpp
@@ -28,8 +28,6 @@
 
 #include "name-tree-iterator.hpp"
 
-#include "core/fib-max-depth.hpp"
-
 namespace nfd {
 namespace name_tree {
 
@@ -52,7 +50,7 @@
   static constexpr size_t
   getMaxDepth()
   {
-    return FIB_MAX_DEPTH;
+    return 32;
   }
 
   /** \return number of name tree entries