Remove decimal-only number notations (deprecated in 8.12)

[proux01]

• Corresponding documentation was added / updated (including any warning and error messages added / removed / modified).
• Entry added in the changelog (see https://github.com/coq/coq/tree/master/doc/changelog#unreleased-changelog for details).

Overlays:

• HoTT: Adapt to coq/coq#13842 HoTT/Coq-HoTT#1418

[Zimmi48]

It looks like there are a few projects that still rely on those (cc @JasonGross).

[JasonGross]

I'll update the compatibility files for fiat shortly, when I get a chance

[Zimmi48]

What about HoTT? Should we ping someone else?

[JasonGross]

I expect the overlay for HoTT should be relatively easy to prepare, unlike the one for fiat. I can try to take care of that too, but feel free to look into it if you want it done before I get the chance

[proux01]

I expect the overlay for HoTT should be relatively easy to prepare

@JasonGross Indeed, done

[JasonGross]

I've pushed the commit JasonGross/coq-scripts@37c5b72 and mit-plv/fiat@27e5718 so fiat-parsers should work now; I've restarted the pipeline.

[proux01]

@JasonGross great, thanks.
I added the changelog entry so this should be ready.

[ppedrot]

I'll wait for the HoTT overlay to be merged before merging this one.