nit cleanup

Author: intergalacticspacehighway

packages/rn-tester/js/examples/Playground/RNTesterPlayground.js

@@ -18,7 +18,9 @@ import {StyleSheet, View} from 'react-native';
 function Playground() {
   return (
     <View style={styles.container}>
-      <View style={styles.gradientContainer} />
+      <RNTesterText>
+        Edit "RNTesterPlayground.js" to change this file
+      </RNTesterText>
     </View>
   );
 }
@@ -27,12 +29,6 @@ const styles = StyleSheet.create({
   container: {
     padding: 10,
   },
-  gradientContainer: {
-    width: 300,
-    height: 200,
-    experimental_backgroundImage: `radial-gradient(circle at top right, rgba(255, 255, 255, 0.8) 0%, transparent 50%),
-    linear-gradient(to bottom, #43cea2, #185a9d);`,
-  },
 });
 
 export default ({