Remove LanguageName enum as it has been replaced by getNameInLanguage methods

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (417e1d5) 99.88% compared to head (d5c5624) 99.83%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #119 +/- ## ============================================ - Coverage 99.88% 99.83% -0.06% + Complexity 201 195 -6 ============================================ Files 33 32 -1 Lines 3576 3564 -12 ============================================ - Hits 3572 3558 -14 - Misses 4 6 +2 ```

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