ci: Delete all old CI files

Part of #753

.github/workflows/documentation.yml

@@ -1,104 +0,0 @@
-name: Documentation and GitHub Pages
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-    tags:
-      - '*'
-
-  # Allows you to run this workflow manually from the Actions tab
-  workflow_dispatch:
-
-env:
-  # Required to make some things output color
-  TERM: ansi
-  # Publishing to my nix binary cache
-  ATTIC_TOKEN: ${{ secrets.ATTIC_TOKEN }}
-  # conduwuit.cachix.org
-  CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}
-  # Custom nix binary cache if fork is being used
-  ATTIC_ENDPOINT: ${{ vars.ATTIC_ENDPOINT }}
-  ATTIC_PUBLIC_KEY: ${{ vars.ATTIC_PUBLIC_KEY }}
-  # Get error output from nix that we can actually use, and use our binary caches for the earlier CI steps
-  NIX_CONFIG: |
-    show-trace = true
-    extra-substituters = https://attic.kennel.juneis.dog/conduwuit https://attic.kennel.juneis.dog/conduit https://conduwuit.cachix.org https://aseipp-nix-cache.freetls.fastly.net https://nix-community.cachix.org https://crane.cachix.org
-    extra-trusted-public-keys = conduit:eEKoUwlQGDdYmAI/Q/0slVlegqh/QmAvQd7HBSm21Wk= conduwuit:BbycGUgTISsltcmH0qNjFR9dbrQNYgdIAcmViSGoVTE= cache.lix.systems:aBnZUw8zA7H35Cz2RyKFVs3H4PlGTLawyY5KRbvJR8o= conduwuit.cachix.org-1:MFRm6jcnfTf0jSAbmvLfhO3KBMt4px+1xaereWXp8Xg= nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs= crane.cachix.org-1:8Scfpmn9w+hGdXH/Q9tTLiYAE/2dnJYRJP7kl80GuRk=
-    experimental-features = nix-command flakes
-    extra-experimental-features = nix-command flakes
-    accept-flake-config = true
-
-# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
-# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
-concurrency:
-  group: "pages"
-  cancel-in-progress: false
-
-permissions: {}
-
-jobs:
-  docs:
-    name: Documentation and GitHub Pages
-    runs-on: self-hosted
-
-    permissions:
-      pages: write
-      id-token: write
-
-    environment:
-      name: github-pages
-      url: ${{ steps.deployment.outputs.page_url }}
-
-    steps:
-      - name: Sync repository
-        uses: actions/checkout@v4
-        with:
-          persist-credentials: false
-
-      - name: Setup GitHub Pages
-        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main') && (github.event_name != 'pull_request')
-        uses: actions/configure-pages@v5
-
-      - name: Prepare build environment
-        run: |
-            echo 'source $HOME/.nix-profile/share/nix-direnv/direnvrc' > "$HOME/.direnvrc"
-            direnv allow
-            nix develop --command true
-
-      - name: Cache CI dependencies
-        run: |
-            bin/nix-build-and-cache ci
-
-      - name: Run lychee and markdownlint
-        run: |
-            direnv exec . engage just lints lychee
-            direnv exec . engage just lints markdownlint
-
-      - name: Build documentation (book)
-        run: |
-            bin/nix-build-and-cache just .#book
-
-            cp -r --dereference result public
-            chmod u+w -R public
-
-      - name: Upload generated documentation (book) as normal artifact
-        uses: actions/upload-artifact@v4
-        with:
-          name: public
-          path: public
-          if-no-files-found: error
-          # don't compress again
-          compression-level: 0
-
-      - name: Upload generated documentation (book) as GitHub Pages artifact
-        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main') && (github.event_name != 'pull_request')
-        uses: actions/upload-pages-artifact@v3
-        with:
-          path: public
-
-      - name: Deploy to GitHub Pages
-        if: (startsWith(github.ref, 'refs/tags/v') || github.ref == 'refs/heads/main') && (github.event_name != 'pull_request')
-        id: deployment
-        uses: actions/deploy-pages@v4