Remove test code related to removed gestures.

Rotate and tilt gestures were recently removed. Some of the related test
code was left in which is now failing.

Change-Id: Iadb5b40cb5e2740f331453b673b89948fb829e51
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Map item geometry do not need to be QObjects.

Change-Id: I078c9eb57ad5a2aa70fde8900ec46958aa1882e1
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Remove unnecessary code.

I don't see much point in using custom Point classes. QPointF is
already fully inline and constexpr.

Change-Id: Ie7a854831e78d8e3ce4777a558d203765b53c9f0
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>
Use 512 pixel tiles from the Nokia/HERE service.

Task-number: QTBUG-36949
Change-Id: I80fe3762b7e8f4dc1b7d56a43d6ab22788c0b702
Reviewed-by: Alex Blasche <alexander.blasche@digia.com>