WIP: Remove ref on checkout for locket code

Author: ebroberson

.github/workflows/lint.yml

@@ -26,7 +26,6 @@ jobs:
         uses: actions/checkout@v4
         with:
           repository: cloudfoundry/locket
-          ref: refs/heads/actions-lint
           path: src/code.cloudfoundry.org/locket
       - name: Setup go
         uses: actions/setup-go@v5