Related issues/PRs:

• Add title attribute to Navigation Link block. #24993
• "title" attribute for figure/image block #69496
• Add Title attribute to Button block #69032

Related core ticket:

• #24766 (Title attributes galore. They serve no useful purpose.) – WordPress Trac

What problem does this address?

Accessibility Handbook states the following:

https://make.wordpress.org/accessibility/handbook/best-practices/quick-start-guide/#links

• Use meaningful link text to describe the link: Never just “click here” or “more info”. The text of the link should indicate what clicking the link does. (Screen reader users often use a list of links out of context.)
• Avoid the title attribute in anchor elements (<a>).

However, the Navigation Submenu block and Custom Link button have the UI to edit the title attribute:

What is your proposed solution?

I would like to discuss whether this UI should be removed.

cc @afercia @alexstine @joedolson @carolinan