Revert "Table generator: Refine info logging some more"
Revert "Table generator: Refine info logging some more"

This reverts commit 902d7f9ee6ca56bdc3b30eaf385369262d1d60cc,
which added access to a list (runset.attributes['benchmarkname'])
which might be != 1 and a wrong assert checking that.

Instead, let's go back to the old and easier way of just displaying the lists.

martin-neuhaeusser/benchexec,dbeyer/benchexec,martin-neuhaeusser/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,dbeyer/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,sosy-lab/benchexec,IljaZakharov/benchexec,IljaZakharov/benchexec,martin-neuhaeusser/benchexec,dbeyer/benchexec,ultimate-pa/benchexec,dbeyer/benchexec,IljaZakharov/benchexec,sosy-lab/benchexec,ultimate-pa/benchexec,ultimate-pa/benchexec,sosy-lab/benchexec,martin-neuhaeusser/benchexec