Experiment - Move WordPressKit code used only by this app into this app

[mokagio]

See:

• https://github.com/wordpress-mobile/WordPressKit-iOS/pull/737 WordPressKit PR where the code was removed
• https://github.com/wordpress-mobile/WordPressAuthenticator-iOS/pull/838 WordPressAuthenticator PR that uses that WordPressKit and still works.
• https://github.com/woocommerce/woocommerce-ios/pull/12085 WooCommerce iOS PR that uses that WordPressKit and still works.

[dangermattic]

	1 Warning
:warning:	This PR is larger than 500 lines of changes. Please consider splitting it into smaller PRs for easier and faster reviews.

	1 Message
:book:	This PR is still a Draft: some checks will be skipped.

Generated by :no_entry_sign: Danger

[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	pr22690-a2ada43
	Version	24.3
	Bundle ID	org.wordpress.alpha
	Commit	a2ada4379f59d104cfd585c81e308e9b58afc569
	App Center Build	WPiOS - One-Offs #8937

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	pr22690-a2ada43
	Version	24.3
	Bundle ID	com.jetpack.alpha
	Commit	a2ada4379f59d104cfd585c81e308e9b58afc569
	App Center Build	jetpack-installable-builds #7967

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

[staskus]

@mokagio updated the milestone to 24.6

[mokagio]

Thanks @staskus . Sorry for the hassle. I'm going to remove the milestone from here, since it's just an experiment.