Move hellowindow and qopenglwindow to be a manual tests

Pick-to: 6.5
Change-Id: I8d1517ee57df9b2dee0486f47562b0754e9dcbad
Reviewed-by: Christian Strømme <christian.stromme@qt.io>

examples/opengl/CMakeLists.txt

@@ -1,10 +1,8 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 
-qt_internal_add_example(hellowindow)
 qt_internal_add_example(paintedwindow)
 qt_internal_add_example(openglwindow)
-qt_internal_add_example(qopenglwindow)
 if(TARGET Qt6::Widgets)
     qt_internal_add_example(contextinfo)
     qt_internal_add_example(2dpainting)

examples/opengl/opengl.pro

@@ -1,9 +1,7 @@
 TEMPLATE      = subdirs
 
-SUBDIRS = hellowindow \
-          paintedwindow \
-          openglwindow \
-          qopenglwindow
+SUBDIRS = paintedwindow \
+          openglwindow
 
 qtHaveModule(widgets) {
     SUBDIRS += contextinfo \