chore: retire the old path's deploy workflows, which no repository calls

.github/workflows/ci.yml

@@ -142,26 +142,10 @@ jobs:
   # explicitly fails unless every dependency succeeded -- so a skipped or
   # failed gating job can never be mistaken for a green pipeline.
   # ---------------------------------------------------------------------------
-  node-tests:
-    name: Deploy Check Tests
-    runs-on: ubuntu-latest
-    timeout-minutes: 30
-    steps:
-      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-      - uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-      - name: Install deploy-check dependencies
-        working-directory: tools/deploy-check
-        run: npm ci --no-audit --no-fund
-      - name: Run deploy-check unit tests
-        working-directory: tools/deploy-check
-        run: npm test
-
   pipeline-complete:
     name: Pipeline Complete
     if: always()
-    needs: [actionlint, yaml-validity, python-tests, node-tests]
+    needs: [actionlint, yaml-validity, python-tests]
     runs-on: ubuntu-latest
     timeout-minutes: 15
     steps: