When packaging .egg and .whl archives for Python 2, exclude irrelevant packages
When packaging .egg and .whl archives for Python 2,
exclude irrelevant packages

sosy-lab/benchexec,dbeyer/benchexec,bjowac/impara-benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,cheshire/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,dbeyer/benchexec,michkot/benchexec,ultimate-pa/benchexec,IljaZakharov/benchexec,michkot/benchexec,dbeyer/benchexec,cheshire/benchexec,dbeyer/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec,martin-neuhaeusser/benchexec,michkot/benchexec,ultimate-pa/benchexec,cheshire/benchexec,bjowac/impara-benchexec,bjowac/impara-benchexec