ENH: remove templates from vector data IOs

Code/IO/otbKMLVectorDataIO.cxx

Code/IO/otbKMLVectorDataIO.h

Code/IO/otbKMLVectorDataIOFactory.txx

Code/IO/otbOGRVectorDataIO.cxx

Code/IO/otbOGRVectorDataIO.h

Code/IO/otbOGRVectorDataIOFactory.txx

Code/IO/otbVectorDataIOFactory.txx

Testing/Code/IO/otbKMLVectorDataIONew.cxx

Testing/Code/IO/otbKMLVectorDataIOTestCanRead.cxx

Testing/Code/IO/otbKMLVectorDataIOTestCanWrite.cxx

Testing/Code/IO/otbKMLVectorDataIOTestFileReader.cxx

Testing/Code/IO/otbOGRVectorDataIOCanRead.cxx

Testing/Code/IO/otbOGRVectorDataIOCanWrite.cxx

Testing/Code/IO/otbOGRVectorDataIONew.cxx