ENH: remove options related to edison in superbuild

SuperBuild/CMake/External_otb.cmake

@@ -162,7 +162,6 @@ ExternalProject_Add(${proj}
       -DOTB_DATA_ROOT:STRING=${OTB_DATA_ROOT}
       -DOTB_USE_6S:BOOL=${OTB_USE_6S}
       -DOTB_USE_CURL:BOOL=${OTB_USE_CURL}
-      -DOTB_USE_EDISON:BOOL=${OTB_USE_EDISON}
       -DOTB_USE_LIBKML:BOOL=${OTB_USE_LIBKML}
       -DOTB_USE_LIBSVM:BOOL=${OTB_USE_LIBSVM}
       -DOTB_USE_MAPNIK:BOOL=${OTB_USE_MAPNIK}

SuperBuild/CMakeLists.txt

@@ -96,7 +96,6 @@ SETUP_SYSTEM_LIBRARY(PROJECT QT4 DEFAULT ON)
 # Call OTB
 option(OTB_USE_6S "Enable module 6S in OTB" ON)
 option(OTB_USE_CURL "Enable module Curl in OTB" ON)
-option(OTB_USE_EDISON "Enable module Edison in OTB" ON)
 option(OTB_USE_LIBKML "Enable module libKML in OTB" ON)
 option(OTB_USE_LIBSVM "Enable module libSVM in OTB" ON)
 option(OTB_USE_MAPNIK "Enable module Mapnik in OTB" OFF)