Update orphan.yml

Author: Jason2866

.github/workflows/orphan.yml

@@ -11,8 +11,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4
-      with:
-        ref: orphan
     - name: Create new empty branch
       run: |
         git config user.email "41898282+github-actions[bot]@users.noreply.github.com"