system/numa: Remove unnecessary 'exec/cpu-common.h' header

Nothing requires definitions from "exec/cpu-common.h",
do not include this header.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Message-Id: <20241217151305.29196-3-philmd@linaro.org>

include/system/numa.h

@@ -3,7 +3,6 @@
 
 #include "qemu/bitmap.h"
 #include "qapi/qapi-types-machine.h"
-#include "exec/cpu-common.h"
 
 struct CPUArchId;