cleaning up left-over debugging in staging deploy action (#24612)

.github/workflows/staging-build-and-deploy-pr.yml

@@ -46,7 +46,6 @@ jobs:
       - name: Check out repo
         uses: actions/checkout@ec3a7ce113134d7a93b817d10a8272cb61118579
         with:
-          ref: ${{ github.event.pull_request.head.sha }}
           lfs: 'true'
           # To prevent issues with cloning early access content later
           persist-credentials: 'false'
@@ -133,11 +132,7 @@ jobs:
 
           # Delete all the big search indexes that are NOT English (`*-en-*`)
           pushd lib/search/indexes
-          echo "BEFORE...."
-          ls -l
           ls | grep -ve '\-en\b' | xargs rm
-          echo "AFTER...."
-          ls -l
           popd
 
           # Note! Some day it would be nice to be able to delete