update whitenoise config

Author: furlongm

patchman/wsgi.py

@@ -14,12 +14,7 @@
 # You should have received a copy of the GNU General Public License
 # along with Patchman. If not, see <http://www.gnu.org/licenses/>
 
-import os
-
 from django.core.wsgi import get_wsgi_application
 
-os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'patchman.settings')  # noqa
-from django.conf import settings
-
 
 application = get_wsgi_application()