STYLE : try/catch blocs supression in Multiscale testing.

...de/MultiScale/otbMorphologicalOpeningProfileFilterNew.cxx

...Code/MultiScale/otbMorphologicalPyramidAnalysisFilter.cxx

...e/MultiScale/otbMorphologicalPyramidAnalysisFilterNew.cxx

...ode/MultiScale/otbMorphologicalPyramidMRToMSConverter.cxx

.../MultiScale/otbMorphologicalPyramidMRToMSConverterNew.cxx

Testing/Code/MultiScale/otbMorphologicalPyramidResampler.cxx

...g/Code/MultiScale/otbMorphologicalPyramidResamplerNew.cxx

.../MultiScale/otbMorphologicalPyramidSegmentationFilter.cxx

...ltiScale/otbMorphologicalPyramidSegmentationFilterNew.cxx

Testing/Code/MultiScale/otbMorphologicalPyramidSegmenter.cxx

...g/Code/MultiScale/otbMorphologicalPyramidSegmenterNew.cxx

...ode/MultiScale/otbMorphologicalPyramidSynthesisFilter.cxx

.../MultiScale/otbMorphologicalPyramidSynthesisFilterNew.cxx