remove the invocation of DsoDb from the AthDictLoaderSvc and move it to the RootDict


git-svn-id: svn+ssh://svn.cern.ch/reps/atlasoff/Control/AthenaKernel/branches/AthenaKernel-00-53-04-branch@568003 4525493e-7705-40b1-a816-d608a930855b