perf metric: Remove duplicate include

Remove duplicate header which is included twice.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200915081541.41004-1-yuehaibing@huawei.comSigned-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/tests/parse-metric.c

@@ -11,8 +11,6 @@
 #include "debug.h"
 #include "expr.h"
 #include "stat.h"
-#include <perf/cpumap.h>
-#include <perf/evlist.h>
 
 static struct pmu_event pme_test[] = {
 {