Remove unused variables from smart slimming lists and EGAM extra content
Cleanup slimming lists for EGAM derivations. Remove non-existent (and unused) variables from the electron and photon smart slimming lists to suppress warnings in the log files.
Cleanup slimming lists for EGAM derivations. Remove non-existent (and unused) variables from the electron and photon smart slimming lists to suppress warnings in the log files.