gtk2 without atk and accessibility

[stefan11111]

A followup to https://forums.gentoo.org/viewtopic-t-1164960.html

I mentioned these on irc too.

Here is gtk2 with atk and accessibility stuff removed:
https://github.com/stefan11111/gtk2

Here is a minimal implementation of atk, for use with gtk3:
https://github.com/stefan11111/atk

Here are ebuilds for both of these:
https://github.com/stefan11111/stefan_overlay/blob/main/x11-libs/gtk%2B/gtk%2B-2.24.33-r4.ebuild
https://github.com/stefan11111/stefan_overlay/blob/main/dev-libs/atk/atk-2.38.0.ebuild

As you can see, the gtk2 ebuild no longer needs any hacks, compared with the ::gentoo ebuild, as the wonky bits of the source code have been removed.
I could post the diff, but it would be quite large: