Removed prerequisites header

Author: marcus-bornman

example/README.md

@@ -52,8 +52,6 @@ This is an example project which demonstrates how to use the [rsa_scan](https://
 
 <!-- GETTING STARTED -->
 ## Getting Started
-
-### Prerequisites
 This project is a starting point for a Flutter application. A few resources to get you started if this is your first
 Flutter project:
 - [Lab: Write your first Flutter app](https://flutter.dev/docs/get-started/codelab)