Fixed the usage of CaloDetDescrManager in Calo tests

Vakhtang Tsulaiarequested to merge
tsulaia/athena:master-calotest-caloddmgr into master
  1. CaloCellContainerFromClusterTool_test: dropped the call to CaloDetDescrManager::instance()
  2. CaloTester: stopped recording CaloDetDescrManager in the Detector Store

CaloDetDescrManager::instance() is obsolete, and hopefully will be dropped soon. In tests the Calo DD manager should be retrieved either from the Condition Store, or from the CaloTester itself

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