arch/x86/kernel/cpu/common_64.c: remove double inclusions

x86: remove double inclusions in arch/x86/kernel/cpu/common_64.c

Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com>
Cc: yhlu.kernel@gmail.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/cpu/common_64.c

@@ -7,12 +7,9 @@
 #include <linux/module.h>
 #include <linux/kgdb.h>
 #include <linux/topology.h>
-#include <linux/string.h>
 #include <linux/delay.h>
 #include <linux/smp.h>
-#include <linux/module.h>
 #include <linux/percpu.h>
-#include <asm/processor.h>
 #include <asm/i387.h>
 #include <asm/msr.h>
 #include <asm/io.h>