perf pfm: Remove duplicate util/cpumap.h include

Fixes: d1f1cecc92 ("perf list: Check if libpfm4 event is supported")
Reported-by: kernel test robot <yujie.liu@intel.com>
Closes: https://lore.kernel.org/r/202306110636.2sTsiAcl-lkp@intel.com/
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/pfm.c

@@ -13,7 +13,6 @@
 #include "util/pmus.h"
 #include "util/pfm.h"
 #include "util/strbuf.h"
-#include "util/cpumap.h"
 #include "util/thread_map.h"
 
 #include <string.h>