remove stale workflow temporarily

.github/workflows/stale.yml

@@ -1,21 +0,0 @@
-name: StaleBOT
-
-on:
-  workflow_dispatch:
-    name: 'Force cleanup'
-  schedule:
-  - cron: "30 14 * * *"
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/stale@v3
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        days-before-stale: 30
-        days-before-close: 20
-        stale-issue-message: 'This issue has been marked as stale due to inactivity and will be closed. Comment anything on this PR to prevent it'
-        stale-pr-message: 'This pull request has been marked as stale due to inactivity and will be closed. Comment anything on this PR to prevent it'
-        exempt-issue-labels: 'no-stale'
-        exempt-pr-labels: 'no-stale'