Maintenance: CSS flex guide: updates to guide 4

[estelle]

Flexbox is well-supported. This update freshens up the guide, removing 'history' and 'browser support' stuff.

updating guide as part of CSS baseline / interop openwebdocs/project#189 - subcomponent openwebdocs/project#202

[github-actions]

Preview URLs

• /en-US/docs/Web/CSS/CSS_flexible_box_layout/Ordering_flex_items

External URLs (3)

URL: /en-US/docs/Web/CSS/CSS_flexible_box_layout/Ordering_flex_items
Title: Ordering flex items

• https://adrianroselli.com/2015/10/html-source-order-vs-css-display-order.html (1 time) (Note! This may be a new URL 👀)
• https://alastairc.uk/2017/06/the-responsive-order-conflict/ (1 time) (Note! This may be a new URL 👀)
• https://tink.uk/flexbox-the-keyboard-navigation-disconnect/ (1 time) (Note! This may be a new URL 👀)

(comment last updated: 2024-06-17 13:52:33)

[bsmth]

One small suggestion and an open question at the end for clarity, maybe you have better phrasing for the existing sentence. Otherwise looking great, so leaving a +1

Thank you!