ENH: additional cleanup method(s) for MeshedSurface, triSurface

src/surfMesh/MeshedSurface/MeshedSurface.C

src/surfMesh/MeshedSurface/MeshedSurface.H

src/surfMesh/MeshedSurface/MeshedSurfaceZones.C

...urfMesh/ModifiableMeshedSurface/ModifiableMeshedSurface.H

src/surfMesh/polySurface/polySurface.H

src/surfMesh/surfMesh/surfMesh.C

src/surfMesh/surfMesh/surfMesh.H

src/surfMesh/triSurface/triSurface.C

src/surfMesh/triSurface/triSurface.H