CaloCondPhysAlgs: Use conditions handle to read hvcorr information.

Change from using ILArHVCorrTool to using a conditions handle. Also get online hvcorr from the conditions store rather than the detector store.

Calorimeter/CaloCondPhysAlgs/share/CaloRescaleNoise_jobOptions.py

@@ -78,9 +78,7 @@ from CaloTools.CaloNoiseToolDefault import CaloNoiseToolDefault
 theCaloNoiseTool = CaloNoiseToolDefault()
 ToolSvc += theCaloNoiseTool
 
-from LArRecUtils.LArHVCorrToolDefault import LArHVCorrToolDefault
-theLArHVCorrTool=LArHVCorrToolDefault()
-ToolSvc += theLArHVCorrTool
+from LArConditionsCommon import LArHVDB
 
 #--------------------------------------------------------------
 # Private Application Configuration options
@@ -88,7 +86,6 @@ ToolSvc += theLArHVCorrTool
 from CaloCondPhysAlgs.CaloCondPhysAlgsConf import CaloRescaleNoise
 theCaloRescaleNoise = CaloRescaleNoise("CaloRescaleNoise")
 theCaloRescaleNoise.noiseTool = theCaloNoiseTool
-theCaloRescaleNoise.HVCorrTool=theLArHVCorrTool
 
 topSequence += theCaloRescaleNoise