This update removes outdated and unused code within the l10n_pe_edi_pos module, streamlining the system. The removal was necessary due to an error related to dependencies and ensures the module's efficiency and stability. This is a routine maintenance task to keep our software running smoothly.

In this commit:
- error due to dead code : http://pastebin.com/q65h1fME
- Form 19.2v 'account_edi' is not in the dependencies, so we have to remove that
  dead code.
- Here is the task which remove that
  dependencies  : https://www.odoo.com/odoo/project/967/tasks/5164609

This pull request addresses minor formatting inconsistencies within the Odoo Enterprise rental module. The changes remove unnecessary whitespace from XML files, improving code readability and maintainability. This is a routine maintenance task that ensures the codebase remains clean and consistent.

This update removes an outdated and unused QUnit test framework from the web_studio module. This streamlining simplifies the codebase and reduces maintenance overhead. The removal does not impact any existing functionality.

Remove the now useless legacy QUnit test framework.