common: remove DECL_FINAL/OVERRIDE macros; use C++11 keywords directly

Change-Id: I71a148b0df7c95387b2caa8e2b9fe93b03ca2399
Refs: #3599
diff --git a/daemon/fw/best-route-strategy2.hpp b/daemon/fw/best-route-strategy2.hpp
index 8985586..0be6490 100644
--- a/daemon/fw/best-route-strategy2.hpp
+++ b/daemon/fw/best-route-strategy2.hpp
@@ -1,6 +1,6 @@
 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
 /**
- * Copyright (c) 2014-2015,  Regents of the University of California,
+ * Copyright (c) 2014-2016,  Regents of the University of California,
  *                           Arizona Board of Regents,
  *                           Colorado State University,
  *                           University Pierre & Marie Curie, Sorbonne University,
@@ -57,12 +57,12 @@
   virtual void
   afterReceiveInterest(const Face& inFace, const Interest& interest,
                        shared_ptr<fib::Entry> fibEntry,
-                       shared_ptr<pit::Entry> pitEntry) DECL_OVERRIDE;
+                       shared_ptr<pit::Entry> pitEntry) override;
 
   virtual void
   afterReceiveNack(const Face& inFace, const lp::Nack& nack,
                    shared_ptr<fib::Entry> fibEntry,
-                   shared_ptr<pit::Entry> pitEntry) DECL_OVERRIDE;
+                   shared_ptr<pit::Entry> pitEntry) override;
 
 public:
   static const Name STRATEGY_NAME;