perf sched timehist: Remove hardcoded 'comm_width' check at print_summary

perf sched timehist: Remove hardcoded 'comm_width' check at print_summary

Now that the default 'comm_width' value is 30, no need to check that at
print_summary,

Signed-off-by: Namhyung Kim <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
[ Split from a larger patch ]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>