ci: separate nix job

Signed-off-by: Seth Flynn <getchoo@tuta.io>

.github/workflows/build.yml

@@ -39,9 +39,6 @@ on:
       APPLE_NOTARIZE_PASSWORD:
         description: Password used for notarizing macOS builds
         required: false
-      CACHIX_AUTH_TOKEN:
-        description: Private token for authenticating against Cachix cache
-        required: false
       GPG_PRIVATE_KEY:
         description: Private key for AppImage signing
         required: false
@@ -669,56 +666,3 @@ jobs:
           bundle: PrismLauncher-${{ runner.os }}-${{ env.VERSION }}-Flatpak.flatpak
           manifest-path: flatpak/org.prismlauncher.PrismLauncher.yml
           arch: ${{ matrix.arch }}
-
-  nix:
-    name: Nix (${{ matrix.system }})
-
-    strategy:
-      fail-fast: false
-      matrix:
-        include:
-          - os: ubuntu-22.04
-            system: x86_64-linux
-
-          - os: ubuntu-22.04-arm
-            system: aarch64-linux
-
-          - os: macos-13
-            system: x86_64-darwin
-
-          - os: macos-14
-            system: aarch64-darwin
-
-    runs-on: ${{ matrix.os }}
-
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@v4
-
-      - name: Install Nix
-        uses: cachix/install-nix-action@v30
-
-        # For PRs
-      - name: Setup Nix Magic Cache
-        uses: DeterminateSystems/magic-nix-cache-action@v9
-
-        # For in-tree builds
-      - name: Setup Cachix
-        uses: cachix/cachix-action@v15
-        with:
-          name: prismlauncher
-          authToken: ${{ secrets.CACHIX_AUTH_TOKEN }}
-
-      - name: Run flake checks
-        run: |
-          nix flake check --print-build-logs --show-trace
-
-      - name: Build debug package
-        if: ${{ inputs.build_type == 'Debug' }}
-        run: |
-          nix build --print-build-logs .#prismlauncher-debug
-
-      - name: Build release package
-        if: ${{ inputs.build_type != 'Debug' }}
-        run: |
-          nix build --print-build-logs .#prismlauncher