Revert "refactor: GitHub Action"

This reverts commit 9fc82cf.

.github/workflows/nix-github-actions.yml

@@ -10,29 +10,7 @@ on:
 
 jobs:
 
-  check-eval:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Checkout repository
-      uses: actions/checkout@v4
-    - name: Install nix
-      uses: cachix/install-nix-action@v27
-      with:
-        extra_nix_config: |
-          experimental-features = nix-command flakes
-          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
-    - name: Check evaluation
-      run: |
-        nix-env -f . -qa \* --meta --xml \
-          --allowed-uris https://static.rust-lang.org \
-          --option restrict-eval true \
-          --option allow-import-from-derivation true \
-          --drv-path --show-trace \
-          -I nixpkgs=$(nix-instantiate --find-file nixpkgs) \
-          -I $PWD
-
   nix-matrix:
-    needs: check-eval
     runs-on: ubuntu-latest
     outputs:
       matrix: ${{ steps.set-matrix.outputs.matrix }}
@@ -56,5 +34,3 @@ jobs:
       - uses: cachix/install-nix-action@v27
       - name: Build "${{ matrix.attr }}"
         run: nix build -L ".#${{ matrix.attr }}"
-      - name: Trigger NUR update
-        run: curl -XPOST "https://nur-update.nix-community.org/update?repo=mur"