refactor(rust): Remove unused flag

[ritchie46]

No description provided.

[github-actions]

The uncompressed lib size after this PR is 42.0071 MB.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.56%. Comparing base (52b93ef) to head (dbb5696).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21642      +/-   ##
==========================================
- Coverage   80.57%   80.56%   -0.01%     
==========================================
  Files        1603     1603              
  Lines      231678   231654      -24     
  Branches     2650     2650              
==========================================
- Hits       186663   186632      -31     
- Misses      44398    44405       +7     
  Partials      617      617              

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