fix(taskworker) Remove high-throughput setting

[markstory]

We added this setting when options checks for taskworkers were expensive (because we used isset()), now that we've made option reads cheaper via get(), we shouldn't need this setting.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

⚠️ Parser warning

The parser emitted a warning. Please review your JUnit XML file:

Warning while parsing testcase attributes: Limit of string is 1000 chars, for name, we got 2083 at 1:156615 in /home/runner/work/sentry/sentry/.artifacts/pytest.junit.xml

Additional details and impacted files

@@           Coverage Diff            @@
##           master   #92158    +/-   ##
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  Coverage   87.86%   87.86%            
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  Files       10179    10179            
  Lines      583224   583397   +173     
  Branches    22605    22605            
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+ Hits       512470   512623   +153     
- Misses      70302    70322    +20     
  Partials      452      452