Remove @author tags from copyright statements

We have git to track the authorship of files. It is not necessary to use
the @author tags in the copyright statements.

Change-Id: Ibd967ed83022cab4a0f8c5b7135934138bdba0d6

tools/generatepot

@@ -1,11 +1,6 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-'''
-Created on 2012-7-3
-
-@author: daisy
-'''
 import os, sys
 from xml2po import Main
 from xml2po.modes.docbook import docbookXmlMode