Restore the default behaviour of AlgContextSvc.
The behaviour was changed in Gaudi v29r0, see gaudi/Gaudi!409 (merged) This change is needed in order to be able to determine the parent of public tools during intitialize (mostly for LoKi functors).
The behaviour was changed in Gaudi v29r0, see gaudi/Gaudi!409 (merged) This change is needed in order to be able to determine the parent of public tools during intitialize (mostly for LoKi functors).