Remove override of createJSModules

[ptomasroos]

Since of recently in master the unused createJSModules has been removed and ReactPackage's no longer contain the definition of createJSModules. There for it must be removed in order to not yield a compile error. This is breaking change.

facebook/react-native@ce6fb33

[sergey-akhalkov]

Hi @ptomasroos, thank you very much for this info and for publishing PR #895 - we'll release version 3.0.0 of react-native-code-push that will contain this changes after RN 0.46 release.

Please let me know if you have any question and see any issues.

[sergey-akhalkov]

Closing this due to v5.0.0-beta has been released, please feel free to reopen if needed.