Remove href from username in top menu
Remove href from username in top menu

Ref. #1608

On mobile it's otherwise not possible to access the sub-menu. Plus we're making this consistent with the rest of the menu items.

Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2,Tatoeba/tatoeba2