LArCalibUtils+LArCalibProcessing: Remove references to obsolete LArADC2MeVTool.
Remove LArFill; it's not used by anything. Migrate LArPhysWaveBuilder to use conditions for adc2mev, rather than LArADC2MeVTool.
Remove LArFill; it's not used by anything. Migrate LArPhysWaveBuilder to use conditions for adc2mev, rather than LArADC2MeVTool.