ProjectExplorer: Replace too generous #include

Change-Id: Ica9cc5214275eabd789038dbb452eb5e84de35fd
Reviewed-by: <github-actions-qt-creator@cristianadam.eu>
Reviewed-by: Artem Sokolovskii <artem.sokolovskii@qt.io>
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/projectexplorer/projectsettingswidget.h

@@ -26,10 +26,11 @@
 #pragma once
 
 #include "projectexplorer_export.h"
-#include "projectexplorer/project.h"
 
 #include <utils/id.h>
 
+#include <QWidget>
+
 namespace ProjectExplorer {
 
 class PROJECTEXPLORER_EXPORT ProjectSettingsWidget : public QWidget
@@ -61,4 +62,5 @@ private:
     bool m_useGlobalSettingsCheckBoxVisibleVisible = true;
     Utils::Id m_globalSettingsId;
 };
+
 } // namespace ProjectExplorer