updated btagging frozen list
Updated variable list for the frozen derivation test:
- Removed
GN120220509
b-tagger which was removed from PHYS derivation - Added SV1 mass
cc @dguest, @fdibello and @ligang. I'm a bit frightened by the case where we saw huge changes in JF-related variables but not in DL1dv01 outputs, thus adding SV1 mass to the list (which can be potentially used by analysis/calibration)