Update README.md

Author: Ugo Onali

README.md

@@ -28,7 +28,6 @@ yarn add react-input-verification-code
 ```tsx
 import * as React from 'react';
 import ReactInputVerificationCode from 'react-input-verification-code';
-import 'react-input-verification-code/dist/index.css';
 
 export default function App() {
   return <ReactInputVerificationCode />;