fix(app-store): let automatic signing select identity

[esphynox]

Summary

Remove the global Apple Distribution identity override from the App Store archive command. Automatic signing can now select the appropriate identity without conflicting with automatically signed package targets.

Tests

• tuist generate
• xcodebuild test -project Keyty.xcodeproj -scheme Keyty -destination "platform=macOS"
• Other: YAML parsed with Ruby's YAML.load_file.

Run project commands from Apps/Keyty.

UI Changes

N/A

Before	After
The App Store archive fails with conflicting provisioning settings.	Automatic signing selects the archive identity without overriding package targets.

Documentation

• Updated relevant docs
• No docs needed

Release Notes

N/A