Docs mention non-existing ASV benchmarks

[stefanv]

Description:

We need to update our benchmark description.

https://pandas.pydata.org/speed/scikit-image/ is no longer a thing.

Way to reproduce:

No response

Version information:

No response

[lagru]

See

scikit-image/CONTRIBUTING.rst

Line 517 in f5f4b0c

at the following `website <https://pandas.pydata.org/speed/scikit-image/>`_.

[lagru]

I think we need to check and update our whole benchmarks infrastructure. I tried running a few benchmarks recently and didn't manage to get it working with the current meson-based setup. Might have just been a user error though.