ENH: foamClearPolyMesh: remove level0 length from hexRef8/snappyHexMesh

bin/foamClearPolyMesh

@@ -3,7 +3,7 @@
 # =========                 |
 # \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
 #  \\    /   O peration     |
-#   \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+#   \\  /    A nd           | Copyright (C) 2011-2012 OpenFOAM Foundation
 #    \\/     M anipulation  |
 #-------------------------------------------------------------------------------
 # License
@@ -133,6 +133,7 @@ for i in \
     sets \
     cellLevel \
     pointLevel \
+    level0Edge \
     refinementHistory \
     surfaceIndex \
 ;