TEST: remove unused variable

Testing/Applications/RadiometricIndices/CMakeLists.txt

-set(TEST_DRIVER otbTestDriver
-    --add-before-env ITK_AUTOLOAD_PATH $<TARGET_FILE_DIR:otbapp_ReadImageInfo> )
-
-
 OTB_TEST_APPLICATION(NAME  apTvRIRadiometricVegetationIndices
                      APP  RadiometricVegetationIndices
                      OPTIONS -in ${INPUTDATA}/veryverySmallFSATSW.tif

Testing/Applications/Utils/CMakeLists.txt

 
-set(TEST_DRIVER otbTestDriver
-    --add-before-env ITK_AUTOLOAD_PATH $<TARGET_FILE_DIR:otbapp_ReadImageInfo> )
-
 #--- Rescale ---#
-
-
 OTB_TEST_APPLICATION(NAME  apTvUtRescaleTest
                      APP  Rescale
                      OPTIONS -in ${INPUTDATA}/poupees.tif