T13144: Remove deprecated code from Kirigami example

[Ben Cooksley]

bcooksley changed the visibility from "Custom Policy" to "Public (No Login Required)".
bcooksley changed the edit policy from "Custom Policy" to "All Users".

TASK DETAIL
  https://phabricator.kde.org/T13144

To: bcooksley
Cc: kde-frameworks-devel, sanecito, LeGast00n, cblack, michaelh, ngraham, bruns
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