chore: Drop eventlet from conftest

[sentrivana]

Description

The actual compat code was removed with the contextvars shim. Just test utils remain.

Issues

Closes #4997

[github-actions]

Codecov Results 📊

✅ 94827 passed | ⏭️ 5502 skipped | Total: 100329 | Pass Rate: 94.52% | Execution Time: 343m 31s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -5312
Passed Tests	📉 -4334
Failed Tests	📉 -1
Skipped Tests	📉 -977

➖ Removed Tests (1)

View removed tests

• test_continuous_profiler_auto_start_and_stop_sampled[experiment-gevent]
  • File: tests.profiler.test_continuous_profiler

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2315 uncovered lines.
✅ Project coverage is 90.25%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    89.95%    90.25%     +0.3%
==========================================
  Files          193       186        -7
  Lines        24955     23750     -1205
  Branches      9004      8594      -410
==========================================
+ Hits         22448     21435     -1013
- Misses        2507      2315      -192
- Partials      1437      1379       -58

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