Revert "io_uring: deduplicate failing task_work_add"

Offering: HULK
hulk inclusion
category: feature
bugzilla: https://gitee.com/src-openeuler/kernel/issues/I6BTWC



-------------------------------

This reverts commit 62ca1710.

This patch extracts a function for patch 792bb6eb (io_uring: don't
take uring_lock during iowq cancel). We can revert it since patch
792bb6eb has been replaced by the one from stable/5.10.

Signed-off-by: Li Lingfeng <lilingfeng3@huawei.com>
Reviewed-by: Zhang Yi <yi.zhang@huawei.com>
Reviewed-by: Wang Weiyang <wangweiyang2@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>