Don't define __cpuinit twice

Fix

arch/x86_64/kernel/smp.c:32:1: warning: "__cpuinit" redefined
In file included from arch/x86_64/kernel/smp.c:12:




Index: linux/arch/x86_64/kernel/smp.c
===================================================================
--- linux.orig/arch/x86_64/kernel/smp.c
+++ linux/arch/x86_64/kernel/smp.c
@@ -29,8 +29,6 @@
 #include <asm/proto.h>
 #include <asm/apicdef.h>
 
-#define __cpuinit __init
-
 /*
  *	Smarter SMP flushing macros. 
  *		c/o Linus Torvalds.