Remove not used import

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/views/js.py

@@ -20,7 +20,6 @@
 
 from django.shortcuts import render, get_object_or_404
 from django.http import HttpResponse, HttpResponseBadRequest, Http404
-from django.contrib.auth.decorators import permission_required
 from django.core.urlresolvers import reverse
 from django.core.exceptions import PermissionDenied
 from django.contrib.auth.decorators import login_required