Update sdk-intro.mdx

Author: Atul-Butola

fern/docs/pages/plug-sdk/sdk-intro.mdx

@@ -19,7 +19,6 @@ Before you dive into customization, take a quick detour to explore [methods](./m
 
   <Card
     title="Integrate PLuG with your React Native app"
-    icon="fa-brands fa-reactnative"
     href="/sdks/mobile/react-native"
     />