MuonCombinedEvent - Slight clean up of the MuonCandidate
Remove unneeded MuonCandidate methods; Add a member variable to cache the index in the TrkContainer to which the Link points to
Addressees ATLASRECTS-6787
Remove unneeded MuonCandidate methods; Add a member variable to cache the index in the TrkContainer to which the Link points to
Addressees ATLASRECTS-6787