Removes category selection from page pre-publishing options

[antonis]

Fixes #19557

Description

This PR removes category selection from page pre-publishing options aligning with the current options available on the web

Before	After

---

To Test:

1. Create a page
2. Press publish
3. Verify that no category selection option is available in the prepublishing nudges

---

Regression Notes

1. Potential unintended areas of impact

Prepublishing nudge for posts/pages

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

Manual testing

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

Added tests verifying the applied change

---

PR Submission Checklist:

• I have completed the Regression Notes.
• 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.

---

UI Changes Testing Checklist:

• Portrait and landscape orientations.
• Light and dark modes.
• Fonts: Larger, smaller and bold text.
• High contrast.
• Talkback.
• 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)
• Large and small screen sizes. (Tablet and smaller phones)
• Multi-tasking: Split screen and Pop-up view. (Android 10 or higher)

[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
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr19656-f207508
	Commit	f207508
	Direct Download	jetpack-prototype-build-pr19656-f207508.apk

Note: Google Login is not supported on these builds.

[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
	Flavor	Jalapeno
	Build Type	Debug
	Version	pr19656-f207508
	Commit	f207508
	Direct Download	wordpress-prototype-build-pr19656-f207508.apk

Note: Google Login is not supported on these builds.

[justtwago]

Thank you for the fix, Antonis! Tested and didn't see the category section on a bottom sheet dialog. Thanks for adding more tests 🎉