Remove wrong comment about center panel origin
Remove wrong comment about center panel origin

RevBy: Jan Arne Petersen, Jon Nordby
After refactoring geometry handling, this comment was no longer true.

This work was done by Openismus GmbH for Canonical Ltd

KDE/plasma-maliit-plugins,KDE/plasma-maliit-plugins,RHawkeyed/plugins,KDE/plasma-maliit-plugins,maliit/plugins,KDE/plasma-maliit-plugins,maliit/plugins,develersrl/maliit-demo-qml,RHawkeyed/plugins,RHawkeyed/plugins,develersrl/maliit-demo-qml,RHawkeyed/plugins,maliit/plugins,RHawkeyed/plugins,maliit/plugins,develersrl/maliit-demo-qml,develersrl/maliit-demo-qml