Update README.md (убрал бейджик Maintainability)

Author: Mercer241

README.md

@@ -2,5 +2,3 @@
 
 ## Hexlet tests and linter status:
 [![Actions Status](https://github.com/Mercer241/java-project-61/workflows/hexlet-check/badge.svg)](https://github.com/Mercer241/java-project-61/actions)
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-[![Maintainability](https://api.codeclimate.com/v1/badges/ВАШ_КОД/maintainability)](https://codeclimate.com/github/Mercer241/java-project-61/maintainability)