perf evsel: Rename perf_evsel__resort*() to evsel__resort*()

As it is a 'struct evsel' method, not part of tools/lib/perf/, aka
libperf, to whom the perf_ prefix belongs.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/builtin-report.c

@@ -716,8 +716,7 @@ static void report__output_resort(struct report *rep)
 	ui_progress__init(&prog, rep->nr_entries, "Sorting events for output...");
 
 	evlist__for_each_entry(rep->session->evlist, pos) {
-		perf_evsel__output_resort_cb(pos, &prog,
-					     hists__resort_cb, rep);
+		evsel__output_resort_cb(pos, &prog, hists__resort_cb, rep);
 	}
 
 	ui_progress__finish();