Remove token usage from create_releases

Author: daymxn

.github/workflows/create_releases.yml

@@ -42,9 +42,6 @@ jobs:
       - name: Create Pull Request
         uses: peter-evans/create-pull-request@v4
         with:
-          token: ${{ secrets.GOOGLE_OSS_BOT_TOKEN }}
-          committer: google-oss-bot <[email protected]>
-          assignees: ${{ github.actor }}
           base: 'releases/${{ inputs.name }}'
           branch: 'releases/${{ inputs.name }}.release'
           add-paths: release.json,release_report.md,release_report.json