curl would previously show "curl: Saved to filename 'name from header'"
if -J was used and a name was picked from the Content-Disposition
header. That output could interfer with other stdout output, such as -w.
This commit removes that output line.
Bug: https://curl.haxx.se/mail/archive-2020-05/0044.html
Reported-by: Коваленко Анатолий Викторович
Closes#5435