remove CI

.forgejo/workflows/compile.yml

@@ -1,35 +0,0 @@
-# https://forgejo.org/docs/latest/user/actions/
-# https://devenv.sh/integrations/github-actions
-name: Compile
-
-on:
-  push:
-    branches:
-      - master
-  workflow_dispatch:
-
-jobs:
-  compile:
-    runs-on: devenv
-    steps:
-      - run: nix-env -i nodejs
-
-      - uses: actions/checkout@v4
-
-      - name: Install devenv.sh
-        run: |
-          nix \
-            --extra-experimental-features nix-command \
-            --extra-experimental-features flakes \
-            profile install nixpkgs#devenv --priority 4
-
-      - name: Build PDFs
-        run: devenv shell compile
-
-      - name: Upload PDFs
-        uses: actions/upload-artifact@v4
-        with:
-          name: ${{ github.sha }}
-          path: |
-            src/*/*.pdf
-            !src/_lib/**