Delete pr-stat.yml (#42918)

.github/workflows/pr-stat.yml

@@ -1,17 +0,0 @@
-name: Pull Request Stats
-
-on:
-  pull_request:
-    types: [opened]
-
-jobs:
-  stats:
-    continue-on-error: true
-    if: github.repository == 'ant-design/ant-design'
-    runs-on: ubuntu-latest
-    permissions:
-      contents: read
-      pull-requests: write
-    steps:
-      - name: Run pull request stats
-        uses: flowwer-dev/pull-request-stats@master