cr2: remove kwords_wout_title
cr2: remove kwords_wout_title

As of 3871bca83af2 (plot_utils: add a plot_output_power() to plot the
output power of multiple runs) the only kwords magic used in
summary_plots() is kwords_wout_title, so make it the effective kwords
and remove the now unnecessary duplication.

ARM-software/trappy,derkling/trappy,bjackman/trappy,sinkap/trappy,derkling/trappy,sinkap/trappy,bjackman/trappy,sinkap/trappy,joelagnel/trappy,joelagnel/trappy,sinkap/trappy,joelagnel/trappy,JaviMerino/trappy,JaviMerino/trappy,joelagnel/trappy,bjackman/trappy,ARM-software/trappy,derkling/trappy,ARM-software/trappy,bjackman/trappy,ARM-software/trappy,JaviMerino/trappy