chore: remove stale bot debug mode flag (#14540)

Author: ahmedhamouda78

.github/workflows/close-stale-issues.yml

@@ -24,4 +24,3 @@ jobs:
           days-before-pr-close: -1 # ignore PRs
           remove-issue-stale-when-updated: false
           operations-per-run: 100
-          debug-only: true # TODO: remove this when the dry-run succeeds