SBML import: Remove some bool->float conversion

[dweindl]

Remove bool->float substitution. This is (or should be) handled somewhere else.

Related to #2840.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.70%. Comparing base (08bf630) to head (b2477ea).
⚠️ Report is 82 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2856      +/-   ##
==========================================
- Coverage   80.38%   79.70%   -0.69%     
==========================================
  Files         329      329              
  Lines       22410    22410              
  Branches     1514     1514              
==========================================
- Hits        18014    17861     -153     
- Misses       4385     4538     +153     
  Partials       11       11              

Flag	Coverage Δ
cpp	75.42% <100.00%> (-0.10%)	⬇️
cpp_python	33.84% <100.00%> (ø)
petab	39.25% <100.00%> (ø)
python	74.45% <100.00%> (-0.10%)	⬇️
sbmlsuite-jax	?

Flags with carried forward coverage won't be shown. Click here to find out more.

Files with missing lines	Coverage Δ
python/sdist/amici/sbml_import.py	82.07% <100.00%> (-12.13%)	⬇️

... and 7 files with indirect coverage changes

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.