Remove Paragraphs Collapsible module

Problem/Motivation

From the Paragraphs Collpasible https://www.drupal.org/project/paragraphs_collapsible → page:

It is recommended to NOT use this module anymore.

The latest Paragraphs Stable Widget, already has Collapsed / Summary, Nested and Open Preview modes. Rather just use the latest Paragraphs Widget which works very well.

Steps to reproduce

Proposed resolution

use the latest Paragraphs Widget which works very well

Remaining tasks

User interface changes

API changes

Data model changes