Update firebase-hosting-merge.yml

Author: yuwenma

.github/workflows/firebase-hosting-merge.yml

@@ -18,7 +18,6 @@ jobs:
           node-version: 16
       - name: Merge gob branch
         run: git worktree add ./gob gob && cp -r gob/* .
-          node-version: 16
       - name: Generate Site
         run: make site-generate
       - uses: FirebaseExtended/action-hosting-deploy@4d0d0023f1d92b9b7d16dda64b3d7abd2c98974b