Move fade effect example to manual test

Change-Id: I7f4e1d9b57be2d0ef22eb56d5d1f7abc5074ebae
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
(cherry picked from commit 9a320b037ce7b63c5f9de6fbb4e391612e857a95)
Reviewed-by: Tor Arne Vestbø <tor.arne.vestbo@qt.io>

examples/widgets/CMakeLists.txt

@@ -9,7 +9,6 @@ if(QT_FEATURE_animation)
 endif()
 add_subdirectory(desktop)
 add_subdirectory(dialogs)
-add_subdirectory(effects)
 qt_internal_add_example(gallery)
 add_subdirectory(gestures)
 add_subdirectory(graphicsview)

examples/widgets/doc/src/fademessage.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 effects/fademessage
-    \title Fade Message Effect Example
-    \ingroup examples-graphicsview-graphicseffects
-    \brief Demonstrates how to apply effects on items in the view.
-
-    \div { style="text-align: left"}
-    \inlineimage fademessageeffect-example.png
-    \inlineimage fademessageeffect-example-faded.png
-    \enddiv
-
-*/

examples/widgets/effects/CMakeLists.txt

@@ -1,2 +0,0 @@
-qt_internal_add_example(blurpicker)
-qt_internal_add_example(fademessage)

examples/widgets/effects/effects.pro

@@ -1,5 +0,0 @@
-TEMPLATE      = \
-              subdirs
-SUBDIRS       = \
-              blurpicker \
-              fademessage

examples/widgets/widgets.pro

@@ -8,7 +8,6 @@ SUBDIRS       = \
                 desktop \
                 dialogs \
                 draganddrop \
-                effects \
                 gallery \
                 gestures \
                 graphicsview \