Summary:
RCT_DEBUG is always defined - it is just rather 0 or 1 so
```#ifndef RCT_DEBUG is always true```
Pull Request resolved: https://github.com/facebook/react-native/pull/21232
Differential Revision: D9982316
Pulled By: hramos
fbshipit-source-id: 5408bfcf95a6ed2beae38217a6ad1ee43950857d