STYLE: unique_ptr instead of manual management

src/conversion/ccm/common/ccmBase.C

src/conversion/ccm/common/ccmBase.H

src/conversion/ccm/common/ccmInternal.H

src/conversion/ccm/reader/ccmReader.C

src/conversion/ccm/reader/ccmReader.H

src/conversion/ccm/writer/ccmWriter.C

src/conversion/ccm/writer/ccmWriter.H

src/conversion/common/reader/calcPointCells.C

src/conversion/common/reader/meshReader.C

src/conversion/common/reader/meshReader.H

src/sampling/meshToMesh0/calculateMeshToMesh0Weights.C

src/sampling/meshToMesh0/meshToMesh0.C

src/sampling/meshToMesh0/meshToMesh0.H

src/surfMesh/polySurface/polySurfaceClear.C

src/surfMesh/surfMesh/surfMesh.C

src/surfMesh/surfMesh/surfMeshClear.C

src/surfMesh/triSurface/triSurface.C

src/surfMesh/triSurface/triSurface.H

src/surfMesh/triSurface/triSurfaceAddressing.C