csv - stringify with no options should not output an empty blank line before the data

[dsherret]

Describe the bug

> import { stringify } from "jsr:@std/csv@0.221";
undefined
> stringify([[1, 2, 3]])
"\r\n1,2,3\r\n"

Steps to Reproduce

See above.

Expected behavior

Should output 1,2,3\n (also, don't bother with \r\n on Windows. Make the world better and just use \n)

Environment

• std version: 0.221.0