Update check-links.yml

Author: koppor

.github/workflows/check-links.yml

@@ -25,7 +25,6 @@ jobs:
       - uses: actions/checkout@v4
         with:
           show-progress: 'false'
-      - uses: gautamkrishnar/keepalive-workflow@v2
       - name: Restore lychee cache
         uses: actions/cache@v4
         with: