ENH: remove SAR model from ossim (now that they are on ossimplugins)

Code/IO/otbImageFileReader.txx

Code/IO/otbImageFileWriter.txx

Code/IO/otbStreamingImageFileWriter.txx

Utilities/otbossim/CMakeLists.txt

...ssim/include/ossim/imaging/ErsSar/ErsSarData/ErsSarData.h

...clude/ossim/imaging/ErsSar/ErsSarData/ErsSarDataFactory.h

...ging/ErsSar/ErsSarData/ErsSarImageOptionsFileDescriptor.h

.../ossim/imaging/ErsSar/ErsSarLeader/ErsSarDataSetSummary.h

...de/ossim/imaging/ErsSar/ErsSarLeader/ErsSarFacilityData.h

.../ossim/imaging/ErsSar/ErsSarLeader/ErsSarFileDescriptor.h

.../include/ossim/imaging/ErsSar/ErsSarLeader/ErsSarLeader.h

...e/ossim/imaging/ErsSar/ErsSarLeader/ErsSarLeaderFactory.h

...sim/imaging/ErsSar/ErsSarLeader/ErsSarMapProjectionData.h

.../imaging/ErsSar/ErsSarLeader/ErsSarPlatformPositionData.h

.../imaging/ErsSar/ErsSarLeader/ErsSarPositionVectorRecord.h

...ties/otbossim/include/ossim/imaging/ErsSar/ErsSarRecord.h

...bossim/include/ossim/imaging/ErsSar/ErsSarRecordFactory.h

...tbossim/include/ossim/imaging/ErsSar/ErsSarRecordHeader.h

...otbossim/include/ossim/imaging/RadarSat2/Rds2Annotation.h

...s/otbossim/include/ossim/imaging/TerraSar/TsxAnnotation.h