OK python does not allow overloading for methods

FlatCAMObj.py

@@ -630,10 +630,6 @@ class FlatCAMExcellon(FlatCAMObj, Excellon):
         # from predecessors.
         self.ser_attrs += ['options', 'kind']
 
-    @staticmethod
-    def merge(exc_list, exc_final):
-        FlatCAMExcellon.merge(exc_list,exc_final,False)
-
     @staticmethod
     def merge(exc_list, exc_final, copy_options):
         """