perf tools: Remove callchain_cursor_reset call

Removing callchain_cursor_reset call as it is called in subsequent
machine__resolve_callchain_sample function.
Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/n/tip-ic53wabwmmgvvwve2ymv3yf7@git.kernel.orgSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/machine.c

@@ -1242,8 +1242,6 @@ int machine__resolve_callchain(struct machine *machine,
 {
 	int ret;
 
-	callchain_cursor_reset(&callchain_cursor);
-
 	ret = machine__resolve_callchain_sample(machine, thread,
 						sample->callchain, parent);
 	if (ret)