[RFC PATCH wagi-linux-stable-rt] workqueue: fix duplicated inclusion

[kernel test robot]

include/linux/blk-cgroup.h: linux/kthread.h is included more than once.

Generated by: scripts/checkincludes.pl

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: kernel test robot <lkp@xxxxxxxxx>
---
 blk-cgroup.h |    1 -
 1 file changed, 1 deletion(-)

diff --git a/include/linux/blk-cgroup.h b/include/linux/blk-cgroup.h
index da587e60fe866a..1a83e232d4a5df 100644
--- a/include/linux/blk-cgroup.h
+++ b/include/linux/blk-cgroup.h
@@ -14,7 +14,6 @@
  * 	              Nauman Rafique <nauman@xxxxxxxxxx>
  */
 
-#include <linux/kthread.h>
 #include <linux/percpu_counter.h>
 #include <linux/seq_file.h>
 #include <linux/radix-tree.h>