test: remove test-debugger-run-after-quit-restart flaky designation

[inoway46]

The flakiness appears to have been fixed by #65194.

I verified this with a stress test on macOS 15: #64005 (comment)

Fixes: #64005
Refs: #64006

---

Disclosure: I used Codex for investigation and wording.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 90.12%. Comparing base (fd5b135) to head (5c313e2).
⚠️ Report is 4 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #65424      +/-   ##
==========================================
- Coverage   90.12%   90.12%   -0.01%     
==========================================
  Files         752      752              
  Lines      252325   252325              
  Branches    47456    47449       -7     
==========================================
- Hits       227407   227401       -6     
+ Misses      16217    16213       -4     
- Partials     8701     8711      +10     

see 35 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.
• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[nodejs-github-bot]

CI: https://ci.nodejs.org/job/node-test-pull-request/76056/