Remove the class-level VAT setting

[illright]

Proposed change

Remove the option to specify VAT preference on a class level

Additional information

• This PR fixes or closes issue: fixes Move VAT class parameter to specific functions #803

Checklist

• I have updated the documentation if needed.
• I have updated the tests if needed.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.64%. Comparing base (414ef4e) to head (f9c03c8).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #837      +/-   ##
==========================================
- Coverage   99.64%   99.64%   -0.01%     
==========================================
  Files           5        5              
  Lines         281      280       -1     
  Branches       26       26              
==========================================
- Hits          280      279       -1     
  Partials        1        1              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

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