chore(wsgi): Drop transaction-based tracing from WSGI

[sentrivana]

Description

Use ✨ Hide whitespace ✨

CI needs this to pass:

• test(pyramid): Remove transaction test #7312

Issues

Closes https://linear.app/getsentry/issue/PY-2724/remove-transaction-based-tracing-from-wsgi

Reminders

• Please add tests to validate your changes, and lint your code using uv run ruff.
• Add GH Issue ID & Linear ID (if applicable)
• PR title should use conventional commit style (feat:, fix:, ref:, meta:)
• For external contributors: CONTRIBUTING.md, Sentry SDK development docs, Discord community

[linear-code]

PY-2724

[github-actions]

Codecov Results 📊

✅ 107421 passed | ⏭️ 5338 skipped | Total: 112759 | Pass Rate: 95.27% | Execution Time: 343m 41s

📊 Comparison with Base Branch

Metric	Change
Total Tests	📉 -13259
Passed Tests	📉 -11835
Failed Tests	—
Skipped Tests	📉 -1424

All tests are passing successfully.

✅ Patch coverage is 100.00%. Project has 2246 uncovered lines.
✅ Project coverage is 90.51%. Comparing base (base) to head (head).

Coverage diff

@@            Coverage Diff             @@
##          main       #PR       +/-##
==========================================
+ Coverage    90.27%    90.51%    +0.24%
==========================================
  Files          193       185        -8
  Lines        25604     23658     -1946
  Branches      9442      8708      -734
==========================================
+ Hits         23112     21412     -1700
- Misses        2492      2246      -246
- Partials      1435      1371       -64

---

Generated by Codecov Action

[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{❌ Bugbot Autofix is OFF. To automatically fix reported issues with cloud agents, enable autofix in the Cursor dashboard.}

Want reviews to match your repository better? Bugbot Learning can learn team-specific rules from PR activity. A team admin can enable Learning in the Cursor dashboard.

^{Reviewed by Cursor Bugbot for commit 019922f. Configure here.}