Revert "Add Chicken-Libraries to Users.md (#8180)"
Revert "Add Chicken-Libraries to Users.md (#8180)"

This reverts commit 72365e6856e688054938f6055af66f0ac83d261e.

This is a vanity project that no longer exists.

See discussion at #8890, which still requires further thought but we can
at least start off by removing something clearly invalid.

pexip/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,pexip/meson,mesonbuild/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson,pexip/meson,jpakkane/meson,jpakkane/meson,pexip/meson,pexip/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,pexip/meson,mesonbuild/meson,jpakkane/meson,jpakkane/meson,mesonbuild/meson,jpakkane/meson,mesonbuild/meson,pexip/meson,mesonbuild/meson