MuonCandidateTrackBuilderTool - Remove unused ToolHandle
ToolHandle<IMuonSegmentTrackBuilder> m_muonTrackBuilder{this, "MuonSegmentTrackBuilder",
"Muon::MooTrackBuilder/MooMuonTrackBuilder"};
Is not used at all in MuonCandidateTrackBuilder and hence removed. The rest is a reformat of the package.