Revert "Fix spans for streaming responses in WSGI based frameworks (#…

[antonpirker]

Reverts #3798

This reverts commit da20623.

Having a timer thread on each request is too much overhead on high volume servers.

---

Thank you for contributing to sentry-python! Please add tests to validate your changes, and lint your code using tox -e linters.

Running the test suite on your PR might require maintainer approval. The AWS Lambda tests additionally require a maintainer to add a special label, and they will fail until this label is added.

[codecov]

Codecov Report

Attention: Patch coverage is 93.10345% with 2 lines in your changes missing coverage. Please review.

Project coverage is 79.91%. Comparing base (6bd7e08) to head (0ac5be6).
Report is 1 commits behind head on master.

✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
sentry_sdk/integrations/wsgi.py	93.10%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3836      +/-   ##
==========================================
- Coverage   79.95%   79.91%   -0.05%     
==========================================
  Files         137      137              
  Lines       15421    15385      -36     
  Branches     2614     2611       -3     
==========================================
- Hits        12330    12295      -35     
+ Misses       2223     2220       -3     
- Partials      868      870       +2     

Files with missing lines	Coverage Δ
sentry_sdk/tracing_utils.py	84.03% <ø> (+0.10%)	⬆️
sentry_sdk/integrations/wsgi.py	84.82% <93.10%> (-1.14%)	⬇️

... and 4 files with indirect coverage changes