Query Loop block: remove 'add new post' prompt in the sidebar

[dhruvang21]

Fixes:- #67177

What?

This PR removes the "Add New Post" link in the Query Loop block's description.

Why?

The "Add New Post" link in the Query Loop block directs users to the post editor. While its intent is to guide users to create posts for an empty Query Loop block, it disrupts the user's workflow by taking them away from the editor. This leads to potential confusion as users may not know how to return and continue working on the Query Loop block. Removing the link ensures a more seamless experience.

How?

The link has been removed from the Query Loop block's description. This adjustment ensures that users are not redirected away from their current editing context.

Testing Instructions

1. Open a post or page.
2. Insert a query loop block.
3. Observe that the "Add New Post" link is no longer present in the block's description.

Screenshots or screencast

[github-actions]

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[github-actions]

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Co-authored-by: dhruvang21 <[email protected]>
Co-authored-by: annezazu <[email protected]>

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[dhruvang21]

I haven’t deleted the create-new-post-link.js file yet, as I believe removing it would require proper documentation or mentioning it in the changelog. I’m not entirely sure of the exact process, so I’d appreciate guidance from the reviewers. Once clarified, I’ll delete the file in the next commit.

[annezazu]

Just tested! Works for me.