face: face refactoring completion

* delete old Face
* rename LpFace as Face
* eliminate LpFaceWrapper and use new Face

refs #3172

Change-Id: I08c3a5dfb4cc1b9834b30cccd9ab634535d0608c
diff --git a/daemon/face/unix-stream-channel.cpp b/daemon/face/unix-stream-channel.cpp
index c34ad7b..5b56c6a 100644
--- a/daemon/face/unix-stream-channel.cpp
+++ b/daemon/face/unix-stream-channel.cpp
@@ -25,7 +25,6 @@
 
 #include "unix-stream-channel.hpp"
 #include "generic-link-service.hpp"
-#include "lp-face-wrapper.hpp"
 #include "unix-stream-transport.hpp"
 #include "core/global-io.hpp"
 
@@ -135,8 +134,7 @@
 
   auto linkService = make_unique<face::GenericLinkService>();
   auto transport = make_unique<face::UnixStreamTransport>(std::move(m_socket));
-  auto lpFace = make_unique<face::LpFace>(std::move(linkService), std::move(transport));
-  auto face = make_shared<face::LpFaceWrapper>(std::move(lpFace));
+  auto face = make_shared<Face>(std::move(linkService), std::move(transport));
   onFaceCreated(face);
 
   // prepare accepting the next connection