{hypridle, hyrpaper}: remove with lib;

[khaneliman]

Description

Just some cleanup while I was looking at stuff.

Checklist

• Change is backwards compatible.

• Code formatted with ./format.

• Code tested through nix-shell --pure tests -A run.all or nix develop --ignore-environment .#all using Flakes.

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Maintainer CC

@fufexan @rycee