fix: empty pbxproj and dwarf-with-dsym plugin config for EAS

[tyrauber]

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Description

It looks like a pbxproj isn't required with cocoapods.

Additionally, there is additional plugin xcode plugin required to set the Debug Information Format to DWARF with dSYM File during EAS Build for Managed App. Should hopefully resolve #456.

Checklist

• [ ] I have tested this on a device/simulator for each compatible OS
• [X] I formatted JS and TS files with running yarn lint:fix in the root folder
• [X] I have run tests via yarn test in the root folder
• [X] I updated the documentation with running yarn generate in the root folder
• [ ] I mentioned this change in CHANGELOG.md
• [ ] I updated the typings files (index.d.ts)
• [ ] I added/updated a sample (/example)