Remove some unnecessary declarations in class AudacityProject

src/Project.h

@@ -670,13 +670,6 @@ private:
    void SetTimerRecordCancelled(){mTimerRecordCanceled=true;}
    void ResetTimerRecordCancelled(){mTimerRecordCanceled=false;}
 
-   //sort method used by OnSortName and OnSortTime
-   //currently only supported flags are kAudacitySortByName and kAudacitySortByName
-   //in the future we might have 0x01 as sort ascending and we can bit or it
-#define kAudacitySortByTime (1 << 1)
-#define kAudacitySortByName (1 << 2)
-   void SortTracks(int flags);
-
  private:
    int  mAudioIOToken{ -1 };
 
@@ -741,9 +734,6 @@ private:
    // See explanation in OnCloseWindow
    bool mIsBeingDeleted{ false };
 
-   // CommandManager needs to use private methods
-   friend class CommandManager;
-
    // TrackPanelOverlay objects
    std::shared_ptr<Overlay>
       mIndicatorOverlay, mCursorOverlay;

src/menus/TrackMenus.cpp

@@ -440,6 +440,11 @@ long mixer_process(void *mixer, float **buffer, long n)
 
 #endif // EXPERIMENTAL_SCOREALIGN
 
+enum{
+   kAudacitySortByTime = (1 << 1),
+   kAudacitySortByName = (1 << 2),
+};
+
 //sort based on flags.  see Project.h for sort flags
 void DoSortTracks( AudacityProject &project, int flags )
 {