Removed unused member data

The clang compiler warned about an unused data member
Simplified code so clang could compile

The clang compiler issued an error about an expression it could not
yet parse. Simplifying the code allowed both gcc and clang to compile
the code.
Merge pull request #5304 from Dr15Jones/clangFixL1TriggerCSCTrackFinder

Clang fix problems in L1Trigger/CSCTrackFinder