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.
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Remove LArFill; it's not used by anything. Migrate LArPhysWaveBuilder to use conditions for adc2mev, rather than LArADC2MeVTool.