WRG: silence Wunsed parameter with itkNotUsed macro Testing/Code/FeatureExtraction

Code/FeatureExtraction/otbFlusserPathFunction.txx

Code/FeatureExtraction/otbHuPathFunction.txx

Code/FeatureExtraction/otbLineDetectorImageFilterBase.txx

Code/FeatureExtraction/otbParallelLinePathListFilter.txx

...ing/Code/FeatureExtraction/otbAddCarvingPathFilterNew.cxx

Testing/Code/FeatureExtraction/otbAlignImageToPath.cxx

...g/Code/FeatureExtraction/otbAssociativeSymmetricalSum.cxx

...ode/FeatureExtraction/otbAssociativeSymmetricalSumNew.cxx

.../FeatureExtraction/otbAssymmetricFusionOfLineDetector.cxx

...atureExtraction/otbAssymmetricFusionOfLineDetectorNew.cxx

.../Code/FeatureExtraction/otbBreakAngularPathListFilter.cxx

...de/FeatureExtraction/otbBreakAngularPathListFilterNew.cxx

Testing/Code/FeatureExtraction/otbCloudDetectionFilter.cxx

...ing/Code/FeatureExtraction/otbCloudDetectionFilterNew.cxx

...Code/FeatureExtraction/otbCloudEstimatorDefaultFilter.cxx

Testing/Code/FeatureExtraction/otbCloudEstimatorFilter.cxx

...ing/Code/FeatureExtraction/otbCloudEstimatorFilterNew.cxx

Testing/Code/FeatureExtraction/otbCompacityPathCircle.cxx

Testing/Code/FeatureExtraction/otbCompacityPathNew.cxx

Testing/Code/FeatureExtraction/otbCompacityPathRectangle.cxx