io_uring: remove unsued assignment to pointer io

There is an assignment to io that is never read after the assignment,
the assignment is redundant and can be removed.
Signed-off-by: NColin Ian King <colin.king@canonical.com>
Signed-off-by: NJens Axboe <axboe@kernel.dk>

fs/io_uring.c

@@ -4798,7 +4798,6 @@ static int io_connect(struct io_kiocb *req, unsigned int issue_flags)
 			ret = -ENOMEM;
 			goto out;
 		}
-		io = req->async_data;
 		memcpy(req->async_data, &__io, sizeof(__io));
 		return -EAGAIN;
 	}