core: delete deprecated getGlobalScheduler() API

refs #1290

Change-Id: If994e3bd303f0788d8e945351c182bbd4ab5e0b2
diff --git a/daemon/main.cpp b/daemon/main.cpp
index 0f73167..dff26cd 100644
--- a/daemon/main.cpp
+++ b/daemon/main.cpp
@@ -5,7 +5,10 @@
  */
 
 #include <getopt.h>
+#include <boost/filesystem.hpp>
+
 #include "core/logger.hpp"
+#include "core/global-io.hpp"
 #include "fw/forwarder.hpp"
 #include "mgmt/internal-face.hpp"
 #include "mgmt/fib-manager.hpp"
@@ -14,8 +17,6 @@
 #include "mgmt/status-server.hpp"
 #include "mgmt/config-file.hpp"
 
-#include <boost/filesystem.hpp>
-
 namespace nfd {
 
 NFD_LOG_INIT("Main");