Delete purge_workflow_runs.yaml

.github/workflows/purge_workflow_runs.yaml

@@ -1,20 +0,0 @@
-name: Delete old workflow runs
-on:
-  workflow_dispatch:
-    inputs:
-      days:
-        description: 'Number of days.'
-        required: true
-        default: "20"
-
-jobs:
-  del_runs:
-    runs-on: ubuntu-latest
-    steps:
-      - name: Delete workflow runs
-        uses: Mattraks/delete-workflow-runs@main
-        with:
-          token: ${{ secrets.TOKEN_GITHUB }}
-          repository: ${{ github.repository }}
-          retain_days: ${{ github.event.inputs.days }}
-          keep_minimum_runs: 3