fix: remove unused remote setup that was using GitHub token in version tag update (#51)

Author: dlaehnemann

.github/workflows/release-please.yml

@@ -25,7 +25,6 @@ jobs:
         run: |
           git config user.name github-actions[bot]
           git config user.email 41898282+github-actions[bot]@users.noreply.github.com
-          git remote add gh-token "https://${{ secrets.GITHUB_TOKEN }}@github.com/googleapis/release-please-action.git"
           git tag -d v${{ steps.release.outputs.major }} || true
           git tag -d v${{ steps.release.outputs.major }}.${{ steps.release.outputs.minor }} || true
           git push origin :v${{ steps.release.outputs.major }} || true