Update README.md

Removing Ukrainian flag from repository as it has fulfilled its intended function, and to streamline the main page by reducing clutter.

README.md

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-![standwithukrain](https://user-images.githubusercontent.com/10516222/163942305-7a69576e-1263-409d-a5db-f844cde3d8b5.jpg)
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 # Consolonia UI
 
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 TUI (Text User Interface) (GUI Framework) implementation for [Avalonia UI](https://github.com/AvaloniaUI)
 
 Supports XAML, data bindings, animation, styling and the rest from Avalonia.