Move interview example to manual test

Change-Id: I06c77672c3ca08dfd3e50af25ed3e1669462259a
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 645e011d7ddaf8660951d28577010d83eb9ede05)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

examples/widgets/doc/src/interview.qdoc

@@ -1,15 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-/*!
-    \example itemviews/interview
-    \title Interview
-    \ingroup examples-itemviews
-    \brief This example demonstrates the usage of the model/view framework.
-
-    \brief The Interview example explores the flexibility and scalability of the
-    model/view framework by presenting an infinitely deep data structure using a model
-    and three different types of view.
-
-    \image interview-demo.png
-*/

examples/widgets/itemviews/CMakeLists.txt

@@ -9,7 +9,6 @@ qt_internal_add_example(customsortfiltermodel)
 qt_internal_add_example(editabletreemodel)
 qt_internal_add_example(fetchmore)
 qt_internal_add_example(frozencolumn)
-qt_internal_add_example(interview)
 qt_internal_add_example(pixelator)
 qt_internal_add_example(simpletreemodel)
 qt_internal_add_example(simplewidgetmapper)

examples/widgets/itemviews/itemviews.pro

@@ -7,7 +7,6 @@ SUBDIRS       = addressbook \
                 editabletreemodel \
                 fetchmore \
                 frozencolumn \
-                interview \
                 pixelator \
                 simpledommodel \
                 simpletreemodel \