Removed deprecated classes: StagingESClient, StageInESClientDeprecateME, StageOutESClientDeprecateME; code cleanup
Removed deprecated classes: StagingESClient, StageInESClientDeprecateME, StageOutESClientDeprecateME; code cleanup

PalNilsson/pilot2,mlassnig/pilot2,PalNilsson/pilot2,mlassnig/pilot2