Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/35106
This Diff remove the assert on the initializer in the EventEmitter in place of a more idiomatic check when the method is invoked.
It aims to solve an internal error and promotes best practices for the iOS platform.
## Changelog:
[iOS][Changed] Refactor RCTEventEmitter initialization
Reviewed By: sammy-SC
Differential Revision: D40762253
fbshipit-source-id: 83d26616ce147914948e536e9e4b1010758fb690
25a00520d8