Remove optionality for stable methods of the NativePerformance module (#52668)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/52668

Changelog: [internal]

These methods have been available for months so no need to consider backwards compatibility with older binaries.

Reviewed By: huntie

Differential Revision: D78412932

fbshipit-source-id: 0f1d541c36c98a4cc8c847d1ee7a08a9d0f4b849