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/fileapireader.h

@@ -20,12 +20,9 @@
 #include <memory>
 #include <optional>
 
-namespace ProjectExplorer {
-class ProjectNode;
-}
+namespace ProjectExplorer { class ProjectNode; }
 
-namespace CMakeProjectManager {
-namespace Internal {
+namespace CMakeProjectManager::Internal {
 
 class CMakeProcess;
 class FileApiQtcData;
@@ -103,5 +100,4 @@ private:
     QDateTime m_lastReplyTimestamp;
 };
 
-} // namespace Internal
-} // namespace CMakeProjectManager
+} // CMakeProjectManager::Internal