Remove Card.Section extra (visible) border (#2549)

Author: M-i-k-e-l

src/components/card/CardSection.tsx

@@ -120,6 +120,7 @@ export default asBaseComponent<CardSectionProps>(asCardChild(CardSection));
 
 const styles = StyleSheet.create({
   container: {
+    borderColor: 'transparent',
     overflow: 'hidden'
   }
 });