ci: disable lighthouse job (CAR-938)

Remove lighthouse job — lhci crashes silently in Gitea Actions env.
CTO decision to unblock dev→uat promotion chain.

Co-Authored-By: Paperclip <noreply@paperclip.ing>

.gitea/workflows/ci.yml

@@ -70,40 +70,6 @@ jobs:
       - run: npx playwright install --with-deps chromium
       - run: npx playwright test
 
-  lighthouse:
-    runs-on: ubuntu-latest
-    needs: [test]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020
-        with:
-          node-version: "20"
-          cache: npm
-      - run: npm ci
-      - run: npm run build
-      - name: Install Chromium for Lighthouse
-        run: |
-          npm install -g playwright
-          npx playwright install --with-deps chromium
-      - name: Start preview server
-        run: |
-          npm run preview -- --port 4173 &
-          for i in $(seq 1 30); do
-            if curl -s http://localhost:4173/ > /dev/null 2>&1; then
-              echo "Server ready on http://localhost:4173/"
-              exit 0
-            fi
-            echo "Waiting for server... ($i/30)"
-            sleep 2
-          done
-          echo "Server failed to start"
-          exit 1
-      - name: Run Lighthouse CI
-        run: |
-          CHROME_PATH=$(find /home/runner/.cache/ms-playwright -name chrome -type f 2>/dev/null | head -1)
-          npm install -g @lhci/cli
-          CHROME_PATH="$CHROME_PATH" lhci autorun --chrome-flags="--headless=new --no-sandbox --disable-gpu --disable-dev-shm-usage"
-
   build-and-push:
     runs-on: ubuntu-latest
     if: github.event_name == 'push'