Play region and its lock are stored together in ViewInfo

src/Project.cpp

@@ -12,7 +12,6 @@
 #include "Audacity.h" // for USE_* macros
 #include "Project.h"
 
-#include "AdornedRulerPanel.h"
 #include "KeyboardCapture.h"
 #include "ondemand/ODTaskThread.h"
 
@@ -156,14 +155,6 @@ void AudacityProject::SetStatus(const wxString &msg)
    }
 }
 
-void AudacityProject::GetPlayRegion(double* playRegionStart,
-                                    double *playRegionEnd)
-{
-   auto &project = *this;
-   AdornedRulerPanel::Get( project ).GetPlayRegion(
-      playRegionStart, playRegionEnd);
-}
-
 wxFrame &GetProjectFrame( AudacityProject &project )
 {
    auto ptr = project.GetFrame();