Description
The outline button style variation is difficult to style, both the hover styles in general, and when the button is placed inside a section style. It is causing more problems than it brings value.

A user who wants this style, can style the button to look similar by applying a border using the block options.

What do you think? @juanfra @jasmussen @WordPress/block-themers

The styles can not be unregistered with the PHP function, only JavaScript.
Full code example for how to remove the style with JavaScript:
https://developer.wordpress.org/block-editor/reference-guides/block-api/block-styles/