moderately urgent -- review, update DNF system upgrade quick doc

[Matthew Miller]

https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/

has the "This page has been converted from the Fedora Project Wiki..."
disclaimer. Could someone review and clean that up, ideally by tomorrow
morning's release?

"

[Ben Cotton]

On Mon, Apr 29, 2019 at 10:23 AM Matthew Miller
 wrote:
> https://docs.fedoraproject.org/en-US/quick-docs/dnf-system-upgrade/
>
> has the "This page has been converted from the Fedora Project Wiki..."
> disclaimer. Could someone review and clean that up, ideally by tomorrow
> morning's release?

I just submitted a PR[1] that removes this and cleans up a couple of
additional things, if someone can please review and merge.

[1] https://pagure.io/fedora-docs/quick-docs/pull-request/135