ENH: remove dxflib and associated classes for licensing issues

Code/IO/CMakeLists.txt

Code/IO/otbDXFToSpatialObjectGroupFilter.h

Code/IO/otbDXFToSpatialObjectGroupFilter.txx

Code/IO/otbSpatialObjectDXFReader.h

Code/IO/otbSpatialObjectDXFReader.txx

Examples/IO/CMakeLists.txt

Examples/IO/DXFReaderExample.cxx

Examples/IO/VectorDataIOExample.cxx

RELEASE_NOTES.txt

Testing/Code/IO/CMakeLists.txt

Testing/Code/IO/otbDXFToSpatialObjectGroupFilterNew.cxx

Testing/Code/IO/otbIOTests11.cxx

Testing/Code/IO/otbSpatialObjectDXFReader.cxx

Testing/Code/IO/otbSpatialObjectDXFReaderNew.cxx

Utilities/CMakeLists.txt

Utilities/dxflib/.NoDartCoverage

Utilities/dxflib/CMakeLists.txt

Utilities/dxflib/dl_attributes.h

Utilities/dxflib/dl_codes.h

Utilities/dxflib/dl_creationadapter.h