Remove scorecard token, default to GITHUB_TOKEN (#522)

Author: pdabelf5

.github/workflows/scorecard.yml

@@ -38,7 +38,6 @@ jobs:
         with:
           results_file: results.sarif
           results_format: sarif
-          repo_token: ${{ secrets.SCORECARD_TOKEN }}
 
           # Public repositories:
           #   - Publish results to OpenSSF REST API for easy access by consumers