ENH: sampling on a trisurface.

This directly samples on a triSurface (instead of using the isosurface of
distance=0 method)

src/sampling/sampledSurface/sampledTriSurfaceMesh/sampledTriSurfaceMesh.C

@@ -160,7 +160,6 @@ bool Foam::sampledTriSurfaceMesh::update()
             -1,                 // seed
             true                // use tree
         );
-
     }