Revert "Add a token to fix the 403 error"

This reverts commit e458c0df7e86239a1a3e8542c69b82fa9f41c643.

.github/workflows/post_ci_status.yml

@@ -36,8 +36,6 @@ jobs:
     steps:
       - name: Post or update CI status comment
         uses: actions/github-script@v7
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         with:
           script: |
             const prNumber = ${{ inputs.pr_number }};