Revert "Fix when is 'self' used as a parameter name in Python"

This reverts commit a6efdb7999.

Examples/test-suite/keyword_rename.i

@@ -35,10 +35,6 @@ KW(chan, fallthrough)
 KW(end, function)
 KW(nil,local)
 
-struct Keywords {
-  void selfkw(int self) {}
-};
-
 %}
 
 

Examples/test-suite/python/keyword_rename_runme.py

@@ -1,6 +1,4 @@
+#!/usr/bin/env python
 import keyword_rename
 keyword_rename._in(1)
 keyword_rename._except(1)
-
-k = keyword_rename.Keywords()
-k.selfkw(123)

Lib/python/pythonkw.swg

@@ -130,7 +130,7 @@ PYTHONKW(None);
 /* 
    'self' is also a bad Name
 */
-PYTHONKW(self);
+PYTHONBN(self);
 
 #undef PYTHONBN
 #undef PYTHONKW