Dequeue the Help Center styles

[alshakero]

The Help Center manages its own styles now. They don't need to be enqueued.

Proposed changes:

This removes the code the enqueues them.

Other information:

Should be deployed after Automattic/wp-calypso#93628.

Testing instructions:

1. cd into projects/packages/jetpack-mu-wpcom.
2. Sync using pnpm run build-production-js && jetpack rsync mu-wpcom-plugin wpcom-sandbox:~/public_html/wp-content/mu-plugins/jetpack-mu-wpcom-plugin/sun (or moon).
3. Go to the editor on a sandboxed site and smoke test the Help Center.
4. Go to /wp-admin on a sandboxed site and smoke test the Help Center.

[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 WordPress.com Simple 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, and enable the delete/help-center-styles branch.

  • For jetpack-mu-wpcom changes, also add define( 'JETPACK_MU_WPCOM_LOAD_VIA_BETA_PLUGIN', true ); to your wp-config.php file.

• To test on Simple, run the following command on your sandbox:

  bin/jetpack-downloader test jetpack-mu-wpcom-plugin delete/help-center-styles
  

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]

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[alshakero]

Closing as not needed anymore

[github-actions]

This PR has been marked as stale. This happened because:

• It has been inactive for the past 3 months.
• It hasn’t been labeled `[Pri] BLOCKER`, `[Pri] High`, etc.

If this PR is still useful, please do a [trunk merge or rebase](https://github.com/Automattic/jetpack/blob/trunk/docs/git-workflow.md#keeping-your-branch-up-to-date) and otherwise make sure it's up to date and has clear testing instructions. You may also want to ping possible reviewers in case they've forgotten about it. Please close this PR if you think it's not valid anymore — if you do, please add a brief explanation.

If the PR is not updated (or at least commented on) in another month, it will be automatically closed.