removed a test setting line

git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1618 e5f2f494-b856-4b98-b285-d166d9295462

src/lib/dns/message_test.py

@@ -1,4 +1,3 @@
-import sys; sys.path.append ('/Users/jinmei/opt/lib/python3.1/site-packages')
 from bind10_dns import *
 from struct import *