core+daemon: eliminate scheduler::{schedule,cancel} wrappers

Also move core/global-io.hpp to daemon/global.hpp

Refs: #4528, #4883
Change-Id: I0b99029f1a19d7451aab57099cd3303b7eb42ff3
diff --git a/daemon/rib/service.cpp b/daemon/rib/service.cpp
index 35c092d..8405c8e 100644
--- a/daemon/rib/service.cpp
+++ b/daemon/rib/service.cpp
@@ -31,8 +31,8 @@
 #include "readvertise/nfd-rib-readvertise-destination.hpp"
 #include "readvertise/readvertise.hpp"
 
-#include "core/global-io.hpp"
 #include "core/logger.hpp"
+#include "daemon/global.hpp"
 
 #include <boost/property_tree/info_parser.hpp>
 #include <ndn-cxx/transport/tcp-transport.hpp>