chore(ci): fix deploy-tcb.yml syntax and keep disabled

Remove commented trigger conditions to ensure workflow is only
triggered manually via workflow_dispatch.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: robin

.github/workflows/deploy-tcb.yml

@@ -1,15 +1,8 @@
 name: Publish root to TCB
 # 当前文档已迁移至 GitHub Pages，此 workflow 暂时禁用
-# 如需重新启用 TCB 部署，恢复下方触发条件即可
+# 如需重新启用 TCB 部署，恢复原始触发条件即可
 on:
   workflow_dispatch:
-  # check_suite:
-  #   types: [completed]
-  # push:
-  #   branches:
-  #     - next
-  # schedule:
-  #   - cron: "0 21 * * *"
 
 env:
   CI: true