io_uring: remove a confusing comment above io_file_get_flags

The SCM inflight mechanism has nothing to do with the fact that a file
might be a regular file or not and if it supports non-blocking
operations.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20230620113235.920399-4-hch@lst.deSigned-off-by: Jens Axboe <axboe@kernel.dk>

io_uring/io_uring.c

@@ -1766,11 +1766,6 @@ static void io_iopoll_req_issued(struct io_kiocb *req, unsigned int issue_flags)
 	}
 }
 
-/*
- * If we tracked the file through the SCM inflight mechanism, we could support
- * any file. For now, just ensure that anything potentially problematic is done
- * inline.
- */
 unsigned int io_file_get_flags(struct file *file)
 {
 	unsigned int res = 0;