Remove RTC is enabled check before registering the notices endpoint

[rcrdortiz]

Fixes:

• https://linear.app/a8c/issue/DOTCOM-16486/validate-that-the-modals-work-on-simple-sites

Proposed changes

• Remove the RTC enabled check so that the endpoint can be registered on Simple sites.

Other information

• Generate changelog entries for this PR (using AI).

Related product discussion/links

• No

Does this pull request change what data or activity we track or use?

Testing instructions

• Apply to your sandbox.
• Make sure you have Gutenberg edge and wpcom feature stickers.
• Go to the editor with RTC enabled.
• Dismissing the welcome notice should work as expected.

[github-actions]

Are you an Automattician? Please test your changes on all WordPress.com environments to help mitigate accidental explosions.

• To test on WoA, go to the Plugins menu on a WoA dev site. Click on the "Upload" button and follow the upgrade flow to be able to upload, install, and activate the Jetpack Beta plugin. Once the plugin is active, go to Jetpack > Jetpack Beta, select your plugin (WordPress.com Site Helper), and enable the dotcom-16486-validate-that-the-modals-work-on-simple-sites-remove-check branch.
• To test on Simple, run the following command on your sandbox:

bin/jetpack-downloader test jetpack-mu-wpcom-plugin dotcom-16486-validate-that-the-modals-work-on-simple-sites-remove-check

Interested in more tips and information?

• In your local development environment, use the jetpack rsync command to sync your changes to a WoA dev blog.
• Read more about our development workflow here: PCYsg-eg0-p2
• Figure out when your changes will be shipped to customers here: PCYsg-eg5-p2

[github-actions]

Thank you for your PR!

When contributing to Jetpack, we have a few suggestions that can help us test and review your patch:

• ✅ Include a description of your PR changes.
  
• 🔴 Add a "[Status]" label (In Progress, Needs Review, ...).
  
• ✅ Add testing instructions.
  
• ✅ Specify whether this PR includes any changes to data or privacy.
  
• ✅ Add changelog entries to affected projects
  

This comment will be updated as you work on your PR and make changes. If you think that some of those checks are not needed for your PR, please explain why you think so. Thanks for cooperation 🤖

---

Follow this PR Review Process:

1. Ensure all required checks appearing at the bottom of this PR are passing.
2. Make sure to test your changes on all platforms that it applies to. You're responsible for the quality of the code you ship.
3. You can use GitHub's Reviewers functionality to request a review.
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[jp-launch-control]

Code Coverage Summary

Coverage changed in 1 file.

File	Coverage	Δ%	Δ Uncovered
projects/packages/jetpack-mu-wpcom/src/features/gutenberg-rtc-notices/gutenberg-rtc-notices.php	52/67 (77.61%)	2.25%	-2 💚

Full summary · PHP report