Remove a few redundant build setting overrides from Keystone

[mokagio]

Part of #24165.

I've been replaying the changes from #24242 on top of the latest trunk with the new Keystone framework. See the mokagio/wordpressdata-target-xcdatamodeld-workbench-2 branch.

The first step was to recreate the WordPressData framework. I wanted it to have the same settings as Keystone, at least to begin with.

In checking the settings side by side, I noticed a few overrides that were ripe for removal. Replayed here in a dedicated PR for ease of reviewing.

[dangermattic]

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[wpmobilebot]

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

	App Name	WordPress
	Configuration	Release-Alpha
	Build Number	26955
	Version	PR #24371
	Bundle ID	org.wordpress.alpha
	Commit	ec4f63a
	Installation URL	0vjjngmqepis0

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

[wpmobilebot]

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

	App Name	Jetpack
	Configuration	Release-Alpha
	Build Number	26955
	Version	PR #24371
	Bundle ID	com.jetpack.alpha
	Commit	ec4f63a
	Installation URL	7hmf0dgjh3l40

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