Remove CSC legacy header files.

remove CSC legacy source files.
Add missing GEMSimTracksProcessor
Merge branch 'CMSSW_6_2_X_SLHC' of github.com:geonmo/cmssw into CMSSW_6_2_X_SLHC
Remove dummy and legacy code about CSC.
Merge pull request #18 from geonmo/CMSSW_6_2_X_SLHC

Remove legacy files and modify wrong headfile.