Fix condition on docs workflow

Co-authored-by: Copilot <[email protected]>

Author: jeffhandley

.github/workflows/docs.yml

@@ -20,8 +20,7 @@ concurrency:
 jobs:
   publish-docs:
     # Only publish from the modelcontextprotocol/csharp-sdk repository
-    if: ${{ github.github.repository == 'modelcontextprotocol/csharp-sdk' }}
-
+    if: ${{ github.repository == 'modelcontextprotocol/csharp-sdk' }}
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}