chore: remove profile settings from hugr/Cargo.toml

[doug-q]

This was ignored as it's not in the workspace root.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 86.47%. Comparing base (97ba7f4) to head (750bc0e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1731      +/-   ##
==========================================
+ Coverage   86.28%   86.47%   +0.19%     
==========================================
  Files         179      179              
  Lines       32515    32439      -76     
  Branches    29418    29342      -76     
==========================================
- Hits        28055    28053       -2     
+ Misses       2760     2741      -19     
+ Partials     1700     1645      -55     

Flag	Coverage Δ
python	92.44% <ø> (ø)
rust	85.84% <ø> (+0.21%)	⬆️

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