sage.geometry.integral_points: Use generic impl if no matrix_integer_dense

[mkoeppe]

📚 Description

This is for the distribution sagemath-polyhedra (#32432) so that it does not have to depend on the flint library.

📝 Checklist

• I have made sure that the title is self-explanatory and the description concisely explains the PR.
• I have linked an issue or discussion.
• I have created tests covering the changes.
• I have updated the documentation accordingly.

⌛ Dependencies

[codecov-commenter]

Codecov Report

Base: 88.59% // Head: 88.59% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (9a8b269) compared to base (84eebf0).
Patch coverage: 60.00% of modified lines in pull request are covered.

❗ Current head 9a8b269 differs from pull request most recent head 60e3509. Consider uploading reports for the commit 60e3509 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##           develop   #35135   +/-   ##
========================================
  Coverage    88.59%   88.59%           
========================================
  Files         2140     2141    +1     
  Lines       396961   396965    +4     
========================================
+ Hits        351671   351703   +32     
+ Misses       45290    45262   -28     

Impacted Files	Coverage Δ
src/sage/schemes/toric/sheaf/klyachko.py	92.43% <ø> (ø)
src/sage/geometry/integral_points.py	50.00% <50.00%> (ø)
src/sage/matrix/matrix_space.py	89.60% <100.00%> (ø)
src/sage/homology/matrix_utils.py	84.40% <0.00%> (-3.67%)	⬇️
src/sage/combinat/combination.py	93.50% <0.00%> (-1.50%)	⬇️
src/sage/groups/generic.py	88.34% <0.00%> (-0.68%)	⬇️
src/sage/graphs/graph_plot.py	84.33% <0.00%> (-0.57%)	⬇️
src/sage/quadratic_forms/ternary_qf.py	66.73% <0.00%> (-0.39%)	⬇️
src/sage/modular/arithgroup/arithgroup_perm.py	92.57% <0.00%> (-0.38%)	⬇️
src/sage/groups/cactus_group.py	98.89% <0.00%> (-0.37%)	⬇️
... and 18 more

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[github-actions]

Documentation preview for this PR is ready! 🎉
Built with commit: 60e3509

[kliem]

To my understanding, this file will just not build, if flint is not present.

From my quick "research" of the state of things, this file will not be included in a sage polyhedra distribution, if flint is not present?

[mkoeppe]

Which modules are included in any distribution is static.
This module is simply not included in sagemath-polyhedra and will be provided by a different distribution.

[mkoeppe]

Thanks for the review!