ProjectExplorer: Un-seat NamedWidget from ProjectSettingsWidget again

Amends 7954c4cc69.

The NamedWidgets are shown on the BuildSettings page, the
ProjectSettingsWidgets on the lower left in ProjectMode,
they are not really related.

Change-Id: I64c3e95b82bb49932823ae0a8dae052d3a6a09c9
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>

src/plugins/projectexplorer/namedwidget.cpp

@@ -6,7 +6,7 @@
 namespace ProjectExplorer {
 
 NamedWidget::NamedWidget(const QString &displayName, QWidget *parent)
-    : ProjectSettingsWidget(parent), m_displayName(displayName)
+    : QWidget(parent), m_displayName(displayName)
 {
 }
 

src/plugins/projectexplorer/namedwidget.h

@@ -4,13 +4,12 @@
 #pragma once
 
 #include "projectexplorer_export.h"
-#include "projectsettingswidget.h"
 
 #include <QWidget>
 
 namespace ProjectExplorer {
 
-class PROJECTEXPLORER_EXPORT NamedWidget : public ProjectSettingsWidget
+class PROJECTEXPLORER_EXPORT NamedWidget : public QWidget
 {
 public:
     explicit NamedWidget(const QString &displayName, QWidget *parent = nullptr);

src/plugins/projectexplorer/projectexplorer.cpp

@@ -372,10 +372,10 @@ public:
     }
 };
 
-class ProjectEnvironmentWidget : public NamedWidget
+class ProjectEnvironmentWidget : public ProjectSettingsWidget
 {
 public:
-    explicit ProjectEnvironmentWidget(Project *project) : NamedWidget(Tr::tr("Project Environment"))
+    explicit ProjectEnvironmentWidget(Project *project)
     {
         setUseGlobalSettingsCheckBoxVisible(false);
         setUseGlobalSettingsLabelVisible(false);
@@ -399,7 +399,7 @@ public:
     ProjectEnvironmentPanelFactory()
     {
         setPriority(60);
-        setDisplayName(Tr::tr("Environment"));
+        setDisplayName(Tr::tr("Project Environment"));
         setCreateWidgetFunction([](Project *project) {
             return new ProjectEnvironmentWidget(project);
         });