Summary:
I was doing some bundle inspection and noticed the LogBox module was included. It does amount to around 15kb so I think it is worth making sure it is not there.
To fix it I moved some imports to require inside __DEV__ blocks to make sure metro is able to remove these imports.
## Changelog
[General] [Fixed] - Make sure LogBox is not included in production bundles
Pull Request resolved: https://github.com/facebook/react-native/pull/28984
Test Plan: Tested using react-native-bundle-visualizer and made sure nothing from LogBox was included in the bundle after these changes.
Reviewed By: TheSavior
Differential Revision: D21794466
Pulled By: rickhanlonii
fbshipit-source-id: 6cb0c0a89633e9850019bd61478c35e9c21638dc