Delete validation.yml

.github/workflows/validation.yml

@@ -1,18 +0,0 @@
-name: Validation
-
-on:
-  pull_request_target:
-    types: [opened, synchronize, reopened, ready_for_review, review_requested] # https://bit.ly/3FEj9D4
-    branches: [master, main]
-
-jobs:
-  check-user-star:
-    name: Check Star
-    runs-on: ubuntu-latest
-    steps:
-      - {uses: gacts/is-stargazer@v1, with: {username: '${{ github.event.pull_request.user.login }}'}, id: check-star}
-
-      - if: steps.check-star.outputs.is-stargazer != 'true'
-        uses: actions/github-script@v6
-        with:
-          script: core.setFailed('⭐ Please star this repository!')