io_uring: remove extra io_wq_current_is_worker()

io_wq workers use io_issue_sqe() to forward sqes and never
io_queue_sqe(). Remove extra check for io_wq_current_is_worker()
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

fs/io_uring.c

@@ -4371,8 +4371,7 @@ static void io_queue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe)
 			req_set_fail_links(req);
 			io_double_put_req(req);
 		}
-	} else if ((req->flags & REQ_F_FORCE_ASYNC) &&
-		   !io_wq_current_is_worker()) {
+	} else if (req->flags & REQ_F_FORCE_ASYNC) {
 		/*
 		 * Never try inline submit of IOSQE_ASYNC is set, go straight
 		 * to async execution.