Is there a way to completely remove (unset) the left hand side admin menu? I examined the ozh-admin-drop-down-menu plugin, since it removes the entire admin menu and adds a top menu bar in order to get a clue.. I made a few snippets, but probably I am missing sth.. I couldn't manage to find a way out..
I don't think you can remove it globally, maybe with traversing the global
But you can unset each individually:
Just to explain the solution better:
I made below additions to theme's function.php in order to remove visually (hide) left hand admin menu:
And then I created custom_admin.css file in themes folder and put below lines: