[JVMenuPopover] Update License file
[JVMenuPopover] Update License file

Removing unnecessary part handled by Third Party Notice file.
xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents,bholmes/XamarinComponents,bholmes/XamarinComponents,xamarin/XamarinComponents