io_uring/notif: Remove the unused function io_notif_complete()

The function io_notif_complete() is defined in the notif.c file, but not
called elsewhere, so delete this unused function.

io_uring/notif.c:24:20: warning: unused function 'io_notif_complete' [-Wunused-function].

Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=2047
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Reviewed-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/20220905020436.51894-1-jiapeng.chong@linux.alibaba.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

Author: Jiapeng Chong

io_uring/notif.c

@@ -21,14 +21,6 @@ static void __io_notif_complete_tw(struct io_kiocb *notif, bool *locked)
 	io_req_task_complete(notif, locked);
 }
 
-static inline void io_notif_complete(struct io_kiocb *notif)
-	__must_hold(&notif->ctx->uring_lock)
-{
-	bool locked = true;
-
-	__io_notif_complete_tw(notif, &locked);
-}
-
 static void io_uring_tx_zerocopy_callback(struct sk_buff *skb,
 					  struct ubuf_info *uarg,
 					  bool success)