Fix doubled italian folder names

Description

Some of the folder names in Italian language version were doubled. See: e/backlog#2313[folders_italian.png]

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules