Remove playground executor workflow (#7401)

Author: Copilot

.github/workflows/docs.yml

@@ -49,11 +49,6 @@ jobs:
 
       - name: Fetch org-owned playground workflows
         working-directory: ./docs
-        env:
-          # Repo-relative file paths to copy into docs bundle (comma-separated).
-          PLAYGROUND_ORG_WORKFLOWS_FILES: >-
-            .github/workflows/playground-executor.md,
-            .github/workflows/playground-executor.lock.yml
         run: npm run fetch-playground-org-owned
 
       - name: Validate Playground fetch configuration (optional)

.github/workflows/issue-classifier.lock.yml

@@ -13,9 +13,6 @@ const SAFE_BASENAME = /^[a-z0-9][a-z0-9._-]{0,200}$/;
 
 async function main() {
   // Comma-separated list of repo-relative file paths to copy into the docs bundle.
-  // Example:
-  //   .github/workflows/playground-executor.md,
-  //   .github/workflows/playground-executor.lock.yml
   const filesCsv = process.env.PLAYGROUND_ORG_WORKFLOWS_FILES || '';
 
   const files = filesCsv

.github/workflows/playground-executor.lock.yml

@@ -87,7 +87,6 @@ These are experimental agentic workflows used by the GitHub Next team to learn,
 | [Multi-Device Docs Tester](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/daily-multi-device-docs-tester.md) | claude | [![Multi-Device Docs Tester](https://github.com/githubnext/gh-aw/actions/workflows/daily-multi-device-docs-tester.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/daily-multi-device-docs-tester.lock.yml) | - | - |
 | [Organization Health Report](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/org-health-report.md) | copilot | [![Organization Health Report](https://github.com/githubnext/gh-aw/actions/workflows/org-health-report.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/org-health-report.lock.yml) | - | - |
 | [Plan Command](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/plan.md) | copilot | [![Plan Command](https://github.com/githubnext/gh-aw/actions/workflows/plan.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/plan.lock.yml) | - | - |
-| [Playground Task Executor](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/playground-executor.md) | copilot | [![Playground Task Executor](https://github.com/githubnext/gh-aw/actions/workflows/playground-executor.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/playground-executor.lock.yml) | - | - |
 | [Poem Bot - A Creative Agentic Workflow](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/poem-bot.md) | copilot | [![Poem Bot - A Creative Agentic Workflow](https://github.com/githubnext/gh-aw/actions/workflows/poem-bot.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/poem-bot.lock.yml) | - | - |
 | [PR Nitpick Reviewer 🔍](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/pr-nitpick-reviewer.md) | copilot | [![PR Nitpick Reviewer 🔍](https://github.com/githubnext/gh-aw/actions/workflows/pr-nitpick-reviewer.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/pr-nitpick-reviewer.lock.yml) | - | - |
 | [Python Data Visualization Generator](https://github.com/githubnext/gh-aw/blob/main/.github/workflows/python-data-charts.md) | copilot | [![Python Data Visualization Generator](https://github.com/githubnext/gh-aw/actions/workflows/python-data-charts.lock.yml/badge.svg)](https://github.com/githubnext/gh-aw/actions/workflows/python-data-charts.lock.yml) | - | - |