Remove nix ci

.github/workflows/ci.yml

@@ -35,33 +35,3 @@ jobs:
           fi
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-  nix-check:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: cachix/install-nix-action@v30
-
-      - name: Evaluate Nix package
-        run: |
-          nix-instantiate --eval --strict -E 'let pkgs = import (builtins.fetchTarball "https://github.com/NixOS/nixpkgs/archive/nixos-24.05.tar.gz") {}; in pkgs.callPackage ./nix/imgfloat-client.nix {}' > /dev/null
-
-  debian-package:
-    runs-on: ubuntu-latest
-
-    steps:
-      - uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          lfs: true
-
-      - uses: actions/setup-node@v4
-        with:
-          node-version: 20
-
-      - run: npm ci
-
-      - name: Build Debian package
-        run: npx electron-builder --linux deb --publish=never