REFAC: Remove useless filters

...les/Applications/AppIndices/app/otbRadiometricIndices.cxx

...les/Radiometry/Indices/include/otbGAndRIndexImageFilter.h

...ry/Indices/include/otbMultiChannelGAndRIndexImageFilter.h

...ices/include/otbMultiChannelRAndBAndNIRIndexImageFilter.h

...ices/include/otbMultiChannelRAndGAndNIRIndexImageFilter.h

.../Indices/include/otbMultiChannelRAndNIRIndexImageFilter.h

...y/Indices/include/otbMultiChannelRadiometricImageFilter.h

...diometry/Indices/include/otbRAndBAndNIRIndexImageFilter.h

...ometry/Indices/include/otbRAndBAndNIRIndexImageFilter.hxx

...diometry/Indices/include/otbRAndGAndNIRIndexImageFilter.h

...ometry/Indices/include/otbRAndGAndNIRIndexImageFilter.hxx

...s/Radiometry/Indices/include/otbRAndNIRIndexImageFilter.h

...Radiometry/Indices/include/otbRAndNIRIndexImageFilter.hxx

Modules/Radiometry/Indices/test/CMakeLists.txt

...bAVIMultiChannelRAndGAndNIRVegetationIndexImageFilter.cxx

...ices/test/otbAVIRAndGAndNIRVegetationIndexImageFilter.cxx

...bEVIMultiChannelRAndBAndNIRVegetationIndexImageFilter.cxx

...ices/test/otbEVIRAndBAndNIRVegetationIndexImageFilter.cxx

Modules/Radiometry/Indices/test/otbGAndRIndexImageFilter.cxx

...iometry/Indices/test/otbIBGAndRAndNIRIndexImageFilter.cxx