Clean up the following includecheck warning:

./kernel/sched/build_utility.c: linux/psi.h is included more than once.

Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
---
 kernel/sched/build_utility.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/kernel/sched/build_utility.c b/kernel/sched/build_utility.c
index eec0849b2aae..350e07d87309 100644
--- a/kernel/sched/build_utility.c
+++ b/kernel/sched/build_utility.c
@@ -33,7 +33,6 @@
 #include <linux/nospec.h>
 #include <linux/proc_fs.h>
 #include <linux/psi.h>
-#include <linux/psi.h>
 #include <linux/ptrace_api.h>
 #include <linux/sched_clock.h>
 #include <linux/security.h>
-- 
2.20.1.7.g153144c