Revert "Revert "[CI SKIP] Remove issue closer action""

This reverts commit 2f4463add7.

.github/workflows/issue_closer.yml

@@ -1,12 +0,0 @@
-name: Issue closer
-on: [issues]
-jobs:
-  autoclose:
-    runs-on: ubuntu-latest
-    steps:
-    - name: Autoclose issue
-      uses: arkon/issue-closer-action@v1.0
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        issue-close-message: "@${issue.user.login} this issue was automatically closed because it was not filled in correctly or the acknowledgment section was not removed."
-        issue-body-pattern: ".*DELETE THIS SECTION IF YOU HAVE READ AND ACKNOWLEDGED IT.*"