remove from build script (#44233)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/44233

The package was added to our build scripts, but shouldn't have been.  We're not exporting this package or making it public.

Changelog: [Internal]

This should unblock our OSS CI.

Reviewed By: cipolleschi

Differential Revision: D56513694

fbshipit-source-id: f37c75871253b2570fb933175165d8f0a9593a16