CMake: Move to Tr::tr

Change-Id: I169da93b5184351cb915d4c198fd33318fcfe06f
Reviewed-by: hjk <hjk@qt.io>
Reviewed-by: Alessandro Portale <alessandro.portale@qt.io>

src/plugins/cmakeprojectmanager/configmodelitemdelegate.h

@@ -3,13 +3,12 @@
 
 #pragma once
 
-#include <utils/fileutils.h>
+#include <utils/filepath.h>
 
 #include <QComboBox>
 #include <QStyledItemDelegate>
 
-namespace CMakeProjectManager {
-namespace Internal {
+namespace CMakeProjectManager::Internal {
 
 class ConfigModelItemDelegate : public QStyledItemDelegate
 {
@@ -29,5 +28,4 @@ private:
     Utils::FilePath m_base;
 };
 
-} // namespace Internal
-} // namespace CMakeProjectManager
+} // CMakeProjectManager::Internal