Revert "M #-: Allow 4 level version in PyONE (#4832)" (#4843)
Revert "M #-: Allow 4 level version in PyONE (#4832)" (#4843)

This reverts commit 472861ed7d8bf36c16b11e513550a37b964b91e4.
OpenNebula/one,baby-gnu/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,OpenNebula/one,baby-gnu/one,baby-gnu/one,OpenNebula/one,baby-gnu/one