core: use FaceUri from ndn-cxx

refs #2143

Change-Id: Ida06daf406f941a699c9f1013450951db3cd28e9
diff --git a/daemon/face/protocol-factory.hpp b/daemon/face/protocol-factory.hpp
index 5a4a2f5..0542017 100644
--- a/daemon/face/protocol-factory.hpp
+++ b/daemon/face/protocol-factory.hpp
@@ -26,12 +26,10 @@
 #ifndef NFD_DAEMON_FACE_PROTOCOL_FACTORY_HPP
 #define NFD_DAEMON_FACE_PROTOCOL_FACTORY_HPP
 
-#include "common.hpp"
-#include "core/face-uri.hpp"
+#include "face.hpp"
 
 namespace nfd {
 
-class Face;
 class Channel;
 
 /**