FDN-4581 Remove pr-validator workflow

[jackl]

Public repos cannot call reusable workflows from private repos (code-steward). Removing the pr-validator.yml that was added in error.

Summary by CodeRabbit

• Chores
  • Removed GitHub Actions workflow for pull request validation.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

Run ID: 87edaf28-34ca-43d9-a74c-a583475ff97d

📥 Commits

Reviewing files that changed from the base of the PR and between 07e7039 and 25aa1b1.

📒 Files selected for processing (1)

• .github/workflows/pr-validator.yml

💤 Files with no reviewable changes (1)

• .github/workflows/pr-validator.yml

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📝 Walkthrough

Walkthrough

Removed a GitHub Actions workflow file that previously delegated PR validation to an external reusable workflow. The deleted workflow monitored pull request events (opened, edited, synchronize) and executed validation checks through a centralized workflow reference.

Changes

Cohort / File(s)	Summary
GitHub Actions Workflow .github/workflows/pr-validator.yml	Deleted workflow file that delegated PR title and description validation to an external reusable workflow at flowcommerce/code-steward.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

🚥 Pre-merge checks | ✅ 3

✅ 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 clearly and specifically describes the main change: removing the pr-validator workflow, which aligns with the changeset that deletes the .github/workflows/pr-validator.yml file.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

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