This should ensure that the examples give the same
message as the documentation. In addition,
dropped a phrase about Qt Quick Controls claiming
that it is designed for mobile and embedded. The
latest version of controls covers the entire spectrum.
Change-Id: Ia856fa47a6e6fc35f80bedc549378a00c7fbbc2a
Pick-to: 5.15
Reviewed-by: Mitch Curtis <mitch.curtis@qt.io>
Reviewed-by: Topi Reiniö <topi.reinio@qt.io>