Move font sampler example to manual test

Change-Id: I696d9be26edfaadd40579884930b2f061d308a06
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 917282ea53)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>

examples/widgets/doc/src/fontsampler.qdoc

@@ -1,13 +0,0 @@
-// Copyright (C) 2016 The Qt Company Ltd.
-// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GFDL-1.3-no-invariants-only
-
-/*!
-  \example painting/fontsampler
-  \title Font Sampler Example
-  \ingroup examples-painting
-  \brief The Font Sampler example shows how to preview and print multi-page documents.
-
-  The Font Sampler example shows how to preview and print multi-page documents.
-
-  \image fontsampler-example.png
-*/

examples/widgets/painting/CMakeLists.txt

@@ -11,4 +11,3 @@ qt_internal_add_example(pathstroke)
 qt_internal_add_example(imagecomposition)
 qt_internal_add_example(painterpaths)
 qt_internal_add_example(transformations)
-qt_internal_add_example(fontsampler)

examples/widgets/painting/painting.pro

@@ -8,8 +8,7 @@ SUBDIRS       = basicdrawing \
                 pathstroke \
                 imagecomposition \
                 painterpaths \
-                transformations \
-                fontsampler
+                transformations
 
 EXAMPLE_FILES = \
     shared