remove some debug messages
remove some debug messages

aabadie/medInria-public,rdebroiz/medInria-public,rdebroiz/medInria-public,NicolasSchnitzler/medInria-public,aabadie/medInria-public,rdebroiz/medInria-public,NicolasSchnitzler/medInria-public,NicolasSchnitzler/medInria-public,aabadie/medInria-public