Remove dead code

[codecov[bot]]

Codecov Report

Base: 93.38% // Head: 93.38% // No change to project coverage :thumbsup:

Coverage data is based on head (3d3568a) compared to base (f9704b7). Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #265 +/- ## ========================================= Coverage 93.38% 93.38% + Complexity 657 656 -1 ========================================= Files 38 38 Lines 1995 1995 ========================================= Hits 1863 1863 Misses 132 132 ``` | [Impacted Files](https://codecov.io/gh/php-school/cli-menu/pull/265?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=php-school) | Coverage Δ | | |---|---|---| | [src/Builder/CliMenuBuilder.php](https://codecov.io/gh/php-school/cli-menu/pull/265/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=php-school#diff-c3JjL0J1aWxkZXIvQ2xpTWVudUJ1aWxkZXIucGhw) | `75.88% <0.00%> (ø)` | | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=php-school). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=php-school)

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