reverted a previous commit as not all distributions create a link file /usr/bin/python2 to the Python interpreter

extra/shutils/duplicates.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 # Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
 # See the file 'doc/COPYING' for copying permission

extra/shutils/pylint.py

@@ -1,4 +1,4 @@
-#! /usr/bin/env python2
+#! /usr/bin/env python
 
 # Runs pylint on all python scripts found in a directory tree
 # Reference: http://rowinggolfer.blogspot.com/2009/08/pylint-recursively.html

extra/shutils/regressiontest.py

@@ -1,4 +1,4 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
 
 # Copyright (c) 2006-2013 sqlmap developers (http://sqlmap.org/)
 # See the file 'doc/COPYING' for copying permission