Code cleanups.

mayan/apps/common/tests/test_views.py

@@ -6,7 +6,6 @@ from django.contrib.auth.models import Group
 from django.core.urlresolvers import clear_url_caches, reverse
 from django.http import HttpResponse
 from django.template import Context, Template
-from django.test import TestCase
 
 from permissions import Permission
 from permissions.models import Role

mayan/apps/events/tests/test_views.py

@@ -2,7 +2,6 @@ from __future__ import absolute_import, unicode_literals
 
 from django.contrib.contenttypes.models import ContentType
 
-from acls.models import AccessControlList
 from documents.tests.test_views import GenericDocumentViewTestCase
 from user_management.tests import (
     TEST_USER_USERNAME, TEST_USER_PASSWORD