Add function to run pod deintegrate (#53706)

Summary:
Pull Request resolved: https://github.com/facebook/react-native/pull/53706

## Context

When configuring an app to build with SwiftPM from source, there is a sequence of operations we need to run in order to prepare the project correctly.

## Changed

Add a function that runs `pod deintegrate` to remove remainings of cocoapods

## Changelog:
[Internal] -

Reviewed By: cortinico

Differential Revision: D81778468

fbshipit-source-id: 20e1cfefcef8318d63d4a6ff92050ced0f91ef53