perf tools: Get rid of unused 'swapped' parameter from perf_event__synthesize_sample()

perf tools: Get rid of unused 'swapped' parameter from perf_event__synthesize_sample()

There is never a need to synthesize a 'swapped' sample, so all callers
to perf_event__synthesize_sample() pass 'false' as the value to
'swapped'. So get rid of the unused 'swapped' parameter.

Signed-off-by: Adrian Hunter <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>