Fix python scripts in src/tools/

tools/site_compare/commands/maskmaker.py

Index: tools/site_compare/commands/maskmaker.py
diff --git a/tools/site_compare/commands/maskmaker.py b/tools/site_compare/commands/maskmaker.py
index 73b732c7ae2bd4042e369fca43752fad011aaadb..8aeefcbf0051ef54ea08e21473084e34a0dd91a6 100644
--- a/tools/site_compare/commands/maskmaker.py
+++ b/tools/site_compare/commands/maskmaker.py
@@ -1,5 +1,4 @@
-#!/usr/bin/python2.4
-# Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+# Copyright (c) 2011 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
@@ -271,4 +270,3 @@ def ExecuteMaskmaker(command):
            "reaching the giveup threshhold" % len(url_list))
     for url in url_list:
       print "    ", url.url
-