target-ppc: remove unneeded include

Signed-off-by: NAurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5990 c046a42c-6fe2-441c-8c8c-71466251a162

target-ppc/helper.c

@@ -29,7 +29,6 @@
 #include "exec-all.h"
 #include "helper_regs.h"
 #include "qemu-common.h"
-#include "helper.h"
 
 //#define DEBUG_MMU
 //#define DEBUG_BATS