ESRI Line Number Remover
This add-in removes the line numbers from the source files. To access the add-in, click the Add-Ins menu and click ESRI Line Number Remover. The add-in displays the message box below to let you select the files within a project whose line number labels should be removed. You can bypass the dialog box by pressing the Shift and Ctrl keys when you click ESRI Line Number Remover in the Add-ins menu.
Line Number Remover dialog box