Full Width Wikipedia per OsaAjani

Since August 2020 a new design have been adopted by some branches of Wikimedia, and therefore Wikipedia. This new design aim to reduce content line-lenght, but do it mostly in a way I, and according to the Wikipedia discussion page a lot of peoples, consider counter productive and harmful.

This extension provide a simple way to restore the full and historical width of wikipedia articles apparence by removing the new attributes (HTML classes) in the page.