arch/powerpc/kernel/stacktrace.c: Removed duplicated include

[Huang Weiyi]

Removed duplicated include file <linux/module.h> in
arch/powerpc/kernel/stacktrace.c.

Signed-off-by: Huang Weiyi <weiyi.huang at gmail.com>

diff --git a/arch/powerpc/kernel/stacktrace.c b/arch/powerpc/kernel/stacktrace.c
index f258964..b0dbb1d 100644
--- a/arch/powerpc/kernel/stacktrace.c
+++ b/arch/powerpc/kernel/stacktrace.c
@@ -13,7 +13,6 @@
 #include <linux/module.h>
 #include <linux/sched.h>
 #include <linux/stacktrace.h>
-#include <linux/module.h>
 #include <asm/ptrace.h>
 #include <asm/processor.h>