Remove direct wpxmlrpc usages from the app

[kean]

The wpxmlrpc was another transient dependency declared in WordPressKit.podspec but used directly from the app. WordPressKit now re-export the only property from wpxmlrpc that was used by the app.

If we end up using Xcode targets to define WordPressKit, we'll include it as a Swift package and link it statically in WordPressKit. Either way, it's one less dependency to worry about.

To test:

Just to make sure it works, I span a local WP instance and changes a password:

Not sure what's up with "Updating..." in the background. I left a note to check it later.

Regression Notes

1. Potential unintended areas of impact

2. What I did to test those areas of impact (or what existing automated tests I relied on)

3. What automated tests I added (or what prevented me from doing so)

PR submission checklist:

• [ ] I have completed the Regression Notes.
• [ ] I have considered adding unit tests for my changes.
• [ ] I have considered adding accessibility improvements for my changes.
• [ ] I have considered if this change warrants user-facing release notes and have added them to RELEASE-NOTES.txt if necessary.

Testing checklist:

• [ ] WordPress.com sites and self-hosted Jetpack sites.
• [ ] Portrait and landscape orientations.
• [ ] Light and dark modes.
• [ ] Fonts: Larger, smaller and bold text.
• [ ] High contrast.
• [ ] VoiceOver.
• [ ] Languages with large words or with letters/accents not frequently used in English.
• [ ] Right-to-left languages. (Even if translation isn’t complete, formatting should still respect the right-to-left layout)
• [ ] iPhone and iPad.
• [ ] Multi-tasking: Split view and Slide over. (iPad)

[wpmobilebot]

📲 You can test the changes from this Pull Request in WordPress Alpha by scanning the QR code below to install the corresponding build.

	App Name	WordPress Alpha
	Configuration	Release-Alpha
	Build Number	pr23389-3268f16
	Version	25.1
	Bundle ID	org.wordpress.alpha
	Commit	3268f1679ad209e9b1f94b492ad77f7e5e6d6830
	App Center Build	WPiOS - One-Offs #10270

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[wpmobilebot]

📲 You can test the changes from this Pull Request in Jetpack Alpha by scanning the QR code below to install the corresponding build.

	App Name	Jetpack Alpha
	Configuration	Release-Alpha
	Build Number	pr23389-3268f16
	Version	25.1
	Bundle ID	com.jetpack.alpha
	Commit	3268f1679ad209e9b1f94b492ad77f7e5e6d6830
	App Center Build	jetpack-installable-builds #9317

Automatticians: You can use our internal self-serve MC tool to give yourself access to App Center if needed.

[dangermattic]

	1 Warning
:warning:	Modules/Package.swift was changed without updating its corresponding Package.resolved. Please resolve the Swift packages in Xcode.

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