REFAC: remove EXAMPLEDATA variable

CMake/OTBStandaloneModuleMacros.cmake

CMakeLists.txt

Examples/CMakeLists.txt

Modules/Applications/AppImageUtils/test/CMakeLists.txt

...es/Applications/AppOpticalCalibration/test/CMakeLists.txt

Modules/Applications/AppProjection/test/CMakeLists.txt

Modules/Applications/AppSegmentation/test/CMakeLists.txt

Modules/Applications/AppStereo/test/CMakeLists.txt

Modules/Core/Metadata/test/CMakeLists.txt

Modules/Filtering/Statistics/test/CMakeLists.txt

Modules/IO/Carto/test/CMakeLists.txt

Modules/IO/ImageIO/test/CMakeLists.txt

Modules/Registration/DisparityMap/test/CMakeLists.txt

Modules/Registration/Stereo/test/CMakeLists.txt

Modules/Segmentation/Watersheds/test/CMakeLists.txt