B #1762: Remove unneeded code in oned to chek if disk is managed
B #1762: Remove unneeded code in oned to chek if disk is managed

OpenNebula/one,OpenNebula/one,atodorov-storpool/one,baby-gnu/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,atodorov-storpool/one,OpenNebula/one,baby-gnu/one,OpenNebula/one,atodorov-storpool/one,baby-gnu/one,baby-gnu/one,atodorov-storpool/one,baby-gnu/one,OpenNebula/one