In the WordPress core code is a rule to auto-create title="" attributes for links whether it’s desired or not.
There appear to be some out-dated plugins that attempt to fix this that are no longer working so instead what I’m hoping is that there is some JavaScript to either block title="" auto-creation altogether or strip it out.
The reason I want to block out titles is because I’m using CSS tooltips that are getting covered by the browser default tooltips… that are only there because of WP auto-created titles.
First of, let me say that I completely agree with Gavin – removing the title attribute is counterproductive in getting your HTML to validate. Also I do not see a reason why you’d want to remove it.
That being said, this javascript does what you want: