Fix broken links in issue template configuration

- Update all documentation URLs from docs.anthropic.com to docs.claude.com to avoid redirects
- Change Getting Started Guide URL from /getting-started to /quickstart path
- Remove Discussions link as GitHub Discussions are not enabled for this repository

Fixes #7730

.github/ISSUE_TEMPLATE/config.yml

@@ -4,14 +4,11 @@ contact_links:
     url: https://anthropic.com/discord
     about: Get help, ask questions, and chat with other Claude Code users
   - name: 📖 Documentation
-    url: https://docs.anthropic.com/en/docs/claude-code
+    url: https://docs.claude.com/en/docs/claude-code
     about: Read the official documentation and guides
   - name: 🎓 Getting Started Guide
-    url: https://docs.anthropic.com/en/docs/claude-code/getting-started
+    url: https://docs.claude.com/en/docs/claude-code/quickstart
     about: New to Claude Code? Start here
   - name: 🔧 Troubleshooting Guide
-    url: https://docs.anthropic.com/en/docs/claude-code/troubleshooting
+    url: https://docs.claude.com/en/docs/claude-code/troubleshooting
     about: Common issues and how to fix them
-  - name: 💡 Discussions
-    url: https://github.com/anthropics/claude-code/discussions
-    about: Share ideas, tips, and chat with maintainers