New comment by tranzystorek-io on void-packages repository

https://github.com/void-linux/void-packages/pull/41384#issuecomment-1368745115

Comment:
> How about adding `None` to `allowableBuildTypes` instead? ([0001-fixup-neovim-switch-to-custom-build-type.txt](https://github.com/void-linux/void-packages/files/10330567/0001-fixup-neovim-switch-to-custom-build-type.txt))

We could, but the `fatal -> warning` seems more straightforward to me