Fix python scripts in src/tools/

tools/site_compare/commands/compare2.py

Index: tools/site_compare/commands/compare2.py
diff --git a/tools/site_compare/commands/compare2.py b/tools/site_compare/commands/compare2.py
index 045141b77940d6d841fa94dbb60cfae13a889656..7e15559badb2c2d370a71456a64e1b5bfba7dea6 100644
--- a/tools/site_compare/commands/compare2.py
+++ b/tools/site_compare/commands/compare2.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.
 
@@ -169,4 +168,3 @@ def ExecuteCompare2(command):
                                       scrape_info_list[0].result,
                                       scrape_info_list[1].result,
                                       result))
-