eddfcf8622
This also removes automatic enablement/mounting of instance store swap devices and ext3 filesystems. This behaviour is strongly opinionated and shouldn't be enabled by default. The unionfs behaviour never took effect anyway, because the AMI manifest path only exists for instance store-backed AMIs, which have not been supported by nixpkgs since 84742e22934d697e0476fab5a6c8886723ff92ef (2019).