Removing a couple of unused imports from util.py

mediagoblin/util.py

@@ -18,7 +18,6 @@ from email.MIMEText import MIMEText
 import gettext
 import pkg_resources
 import smtplib
-import os
 import sys
 import re
 import urllib
@@ -28,7 +27,6 @@ import copy
 from babel.localedata import exists
 import jinja2
 import translitcodec
-from paste.deploy.loadwsgi import NicerConfigParser
 from webob import Response, exc
 from lxml.html.clean import Cleaner