refactor(yaml): remove undefined type from tag, anchor and kind

[timreichen]

This PR removes undefined type from tag, anchor and kind as it only used during class initialisation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.13%. Comparing base (6ee055f) to head (2ea74d5).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6907      +/-   ##
==========================================
- Coverage   94.14%   94.13%   -0.01%     
==========================================
  Files         582      582              
  Lines       42750    42750              
  Branches     6807     6807              
==========================================
- Hits        40245    40241       -4     
- Misses       2455     2458       +3     
- Partials       50       51       +1     

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