Fix scorecard.yml: remove permissions block

The reusable workflow handles permissions with 'permissions: read-all'.
Adding explicit permissions in caller conflicts with reusable workflow.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: clubanderson

.github/workflows/scorecard.yml

@@ -8,11 +8,6 @@ on:
     branches: [ "main" ]
   workflow_dispatch:
 
-permissions:
-  security-events: write
-  contents: read
-  actions: read
-
 jobs:
   analysis:
     uses: kubestellar/infra/.github/workflows/reusable-scorecard.yml@main