chore(plugin-wit/ci): Remove faulty close-prs.yml (#3486)

.github/workflows/close-prs.yml

@@ -1,28 +0,0 @@
-name: Close PRs
-
-on:
-  pull_request_target:
-    types: [opened, reopened]
-  workflow_dispatch:
-
-permissions:
-  pull-requests: write
-
-jobs:
-  manage-prs:
-    runs-on: ubuntu-slim
-    steps:
-      - name: "Close PR(s)"
-        run: |
-          if [ "${{ github.event_name }}" = "pull_request" ]; then
-            echo "${{ github.event.pull_request.number }}"
-          else
-            gh pr list --state open --limit 200 --json number --jq '.[].number'
-          fi | while read pr; do
-            if [ -n "$pr" ]; then
-              echo "Closing PR #$pr"
-              gh pr close $pr --comment "This repository does not accept direct pull requests. See #44 for details."
-            fi
-          done
-        env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}