Delete .github/workflows/node.js.yml (#20)

Since we're moving to local DevOps, this is no longer required. Also it
was broken.

.github/workflows/node.js.yml

@@ -1,39 +0,0 @@
-# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node
-# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-nodejs
-
-name: Node.js CI
-
-on:
-  push:
-    branches: [ "main" ]
-  pull_request:
-    branches: [ "main" ]
-
-jobs:
-        
-  build:
-
-    runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [25.3.0]
-
-    steps:
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v4
-      with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
-      
-    - name: Run tests
-      run: npm test
-      working-directory: tests
-      
-    - name: Tests failed
-      if: failure()
-      run: exit 1
-
-    - name: Tests passed
-      run: npm run build --if-present
-      working-directory: src