Clean up InDetSecVxFinderTool properties

Merged Thomas Strebler requested to merge tstreble/athena:InDetSecVxFinderTool_CleanUp into 23.0

Remove unused properties for secondary vertex tools. Also reorganised VertexClusteringProbabilityCutWithMasses property for JetFitterMultiStageFit to use vector rather than 9 arguments.

PHYSVAL outputs checked to be unchanged.

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