SingleTrackConversionTool : remove seemingly unused methods

This merge request affects 2 packages:

• InnerDetector/InDetExample/InDetRecExample
• InnerDetector/InDetRecTools/InDetConversionFinderTools

Affected files list will not be printed in this case

Adding @goetz ,@amorley ,@sroe as watchers

added Egamma InnerDetector master review-pending-level-1 labels

CI Result SUCCESS (hash 615c9d35)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 30756]

added review-approved label and removed review-pending-level-1 label

merged

mentioned in commit d2279b43

added sweep:ignore label