fix: remove unused remote setup that was using GitHub token in version tag update

[dlaehnemann]

This goes back to a previous discussion on a now merged pull request:
#46 (comment)

And the tracking pull request over at the release-please GitHub Action for this is here:
googleapis/release-please-action#1172

Summary by CodeRabbit

• Chores
  • Updated CI/CD workflow configuration to streamline the release process.

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[coderabbitai]

📝 Walkthrough

Walkthrough

Removed a git remote configuration step from the release-please workflow that previously established a remote named gh-token using the GitHub token. No modifications to subsequent tagging or pushing operations.

Changes

Cohort / File(s)	Change Summary
GitHub Actions Workflow ​.github/workflows/release-please.yml	Removed git remote addition step that configured authentication with GitHub token for the release-please-action repository

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• fix: defunct release-please action #46 — Modifies the same release-please workflow's git remote and authentication handling, suggesting related infrastructure updates across the project.

Suggested reviewers

• johanneskoester

Pre-merge checks and finishing touches

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: removing an unused git remote setup that used GitHub token in the release-please workflow.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch fix/remove-unused-token-remote-from-release-please-version

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📥 Commits

Reviewing files that changed from the base of the PR and between 29eac74 and 6c6b77d.

📒 Files selected for processing (1)

• .github/workflows/release-please.yml (0 hunks)

💤 Files with no reviewable changes (1)

• .github/workflows/release-please.yml

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• GitHub Check: build

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[dlaehnemann]

Just to document this:

The updating of the v2 and v2.0 tags from the commit status of v2.0.2 to v2.0.3 seems to have worked properly, so we don't seem to need this weird remote setup after all.