Remove comment syntax from ReactNativeTypes

Author: huntie

packages/react-native-renderer/src/ReactNativeTypes.js

@@ -132,9 +132,7 @@ declare const ensureNativeMethodsAreSynced: NativeMethods;
 (ensureNativeMethodsAreSynced: INativeMethods);
 
 export type HostInstance = NativeMethods;
-/*::
 export type HostComponent<Config: {...}> = component(ref: React$RefSetter<HostInstance>, ...Config);
-*/
 
 type InspectorDataProps = $ReadOnly<{
   [propName: string]: string,