The group is a remnant of Qt Quick 1, and currently only contains 1
member. Move it to the "qtquickexamples" group.

Change-Id: I211b9b769274e139321760f4b52220449e03a6ad
Reviewed-by: Topi Reiniö <topi.reinio@digia.com>
Reviewed-by: Jerome Pasion <jerome.pasion@digia.com>