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/face/lp-reassembler.cpp b/daemon/face/lp-reassembler.cpp
index 905dc66..918d296 100644
--- a/daemon/face/lp-reassembler.cpp
+++ b/daemon/face/lp-reassembler.cpp
@@ -25,6 +25,7 @@
 
 #include "lp-reassembler.hpp"
 #include "link-service.hpp"
+#include "daemon/global.hpp"
 
 #include <numeric>
 
@@ -113,7 +114,7 @@
   }
 
   // set drop timer
-  pp.dropTimer = scheduler::schedule(m_options.reassemblyTimeout, [=] { timeoutPartialPacket(key); });
+  pp.dropTimer = getScheduler().schedule(m_options.reassemblyTimeout, [=] { timeoutPartialPacket(key); });
 
   return FALSE_RETURN;
 }