SuperBuild: obsolete option for OTB build

SuperBuild/CMake/External_otb.cmake

@@ -187,7 +187,6 @@ ExternalProject_Add(OTB
   -DOTB_USE_MUPARSERX:BOOL=${OTB_USE_MUPARSERX}
   -DOTB_USE_OPENCV:BOOL=${OTB_USE_OPENCV}
   -DOTB_USE_SHARK:BOOL=${OTB_USE_SHARK}
-  -DOTB_USE_OPENJPEG:BOOL=OFF
   -DOTB_USE_QT4:BOOL=${OTB_USE_QT4}
   -DOTB_USE_SIFTFAST:BOOL=${OTB_USE_SIFTFAST}
   -DOTB_USE_OPENGL:BOOL=${OTB_USE_OPENGL}