ci: drop Playwright e2e from CI (run locally); keep build + seo:lint

.gitea/workflows/ci.yml

@@ -50,10 +50,8 @@ jobs:
       - name: SEO lint
         run: npm run seo:lint
 
-      - name: End-to-end tests
+      # Playwright e2e (headless Chrome) is intentionally NOT run in CI — it's the heaviest step and
-        run: |
+      # adds little for a static site over `astro build` + seo:lint. Run it locally: `npm run test:e2e`.
-          npx playwright install --with-deps chromium
-          npm run test:e2e
 
       - name: Compute image tag
         id: tag