face: remove awkward Face::setLocal, use a constructor argument instead.

Change-Id: Ic366ecdc83c5771138ff584ffb944a4e17300eb1
diff --git a/daemon/mgmt/internal-face.cpp b/daemon/mgmt/internal-face.cpp
index 707ee30..a6c116b 100644
--- a/daemon/mgmt/internal-face.cpp
+++ b/daemon/mgmt/internal-face.cpp
@@ -11,8 +11,8 @@
 NFD_LOG_INIT("InternalFace");
 
 InternalFace::InternalFace()
+  : Face(true)
 {
-  setLocal(true);
 }
 
 void