STYLE: uneeded typedef FaceType in triSurface

- use typedef FaceType from parent (PrimitivePatch) instead

src/triSurface/triSurface/triSurface.H

@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 1991-2010 OpenCFD Ltd.
+    \\  /    A nd           | Copyright (C) 2004-2011 OpenCFD Ltd.
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -223,9 +223,6 @@ public:
 
     // Public typedefs
 
-        //- Face type used
-        typedef labelledTri FaceType;
-
         //- Placeholder only, but do not remove - it is needed for GeoMesh
         typedef bool BoundaryMesh;