removed commented Perl code from MainFrame
removed commented Perl code from MainFrame

pieis2pi/Slic3r,curieos/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,alexrj/Slic3r,alexrj/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,lordofhyphens/Slic3r,alexrj/Slic3r,lordofhyphens/Slic3r,lordofhyphens/Slic3r,pieis2pi/Slic3r,curieos/Slic3r,pieis2pi/Slic3r,alexrj/Slic3r,curieos/Slic3r,lordofhyphens/Slic3r