Remove temporary kwargs in core constitutive materials

[adtzlr]

Remove material parameter keyword-arguments in the function()-, gradient()- and hessian()-methods of the core constitutive material formulations. This removes the ability for temporary material parameters in LinearElastic(E=None, nu=0.3).gradient(x, E=1.0), use LinearElastic(E=1.0, nu=0.3).gradient(x) instead. This affects the material formulations LinearElastic, LinearElasticPlaneStrain, LinearElasticPlaneStress, LinearElasticLargeStrain, NeoHooke and NeoHookeCompressible.

closes #841

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.54%. Comparing base (6fe8d85) to head (07efcb6).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #843      +/-   ##
==========================================
- Coverage   97.57%   97.54%   -0.03%     
==========================================
  Files         149      149              
  Lines        5766     5705      -61     
==========================================
- Hits         5626     5565      -61     
  Misses        140      140              

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