delete stale.yml

.github/workflows/stale.yml

@@ -1,28 +0,0 @@
-name: 'Close stale issues and PRs'
-#on: [workflow_dispatch]
-on:
-  schedule:
-    - cron: '30 1 * * *'
-
-permissions:
-  issues: write
-  pull-requests: write
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v6
-        with:
-          #debug-only: true
-          ascending: true
-          operations-per-run: 520
-          enable-statistics: true
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-          close-issue-message: 'This issue has been marked stale for more than 100000 days without activity. Closing this issue, but if you find that the issue is still valid, please reopen.'
-          close-pr-message: 'This PR has been marked stale for more than 100 days without activity. Closing this PR, but if you are still working on it, please reopen.'
-          days-before-issue-stale: 90
-          days-before-pr-stale: 45
-          days-before-issue-close: 100000
-          days-before-pr-close: 100
-          exempt-issue-labels: 'exempt,keep'