Small rename

src/displayapp/WatchFaces.h

@@ -9,7 +9,7 @@ namespace Pinetime {
       Terminal = 3,
       Infineat = 4,
       CasioStyleG7710 = 5,
-      Face = 6,
+      FaceFace = 6,
     };
   }
 }

src/displayapp/screens/Clock.cpp

@@ -56,7 +56,7 @@ Clock::Clock(Controllers::DateTime& dateTimeController,
         case WatchFace::CasioStyleG7710:
           return WatchFaceCasioStyleG7710();
           break;
-        case WatchFace::Face:
+        case WatchFace::FaceFace:
           return WatchFaceFaceScreen();
           break;
       }