Clean up the following includecheck warning:

./kernel/sched/fair.c: linux/sched/cond_resched.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/fair.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 8bcc1dbc544c..f6a7e65b711f 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -48,8 +48,6 @@
 
 #include <asm/switch_to.h>
 
-#include <linux/sched/cond_resched.h>
-
 #include "sched.h"
 #include "stats.h"
 #include "autogroup.h"
-- 
2.20.1.7.g153144c