ci: 移除 Gitea Sync 工作流

- 删除了 .github/workflows/gitea-sync.yml 文件
- 移除了 Gitea Sync 相关的 CI 配置

.github/workflows/gitea-sync.yml

@@ -1,19 +0,0 @@
-name: Gitea Sync
-on:
-  push:
-    branches: [ "main", "manifest" ]
-  workflow_dispatch:
-  workflow_run:
-    workflows: ["Docker Build and Publish"]
-    types:
-      - completed
-
-
-jobs:
-  trigger-gitea-sync:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Trigger Gitea sync
-        run: |
-          echo "Triggering Gitea sync"
-          curl 'https://git.suyiiyii.top/api/v1/repos/ssyg/hertz101/mirror-sync' -X POST  -H 'Authorization: token ${{ secrets.GITEATOKEN }}'