fixup! Replace STATIC_URL with staticfiles in hooks

wagtail/wagtaildocs/wagtail_hooks.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.conf.urls import include, url
 from django.core import urlresolvers
 from django.utils.html import format_html, format_html_join

wagtail/wagtailembeds/wagtail_hooks.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.conf.urls import include, url
 from django.core import urlresolvers
 from django.utils.html import format_html

wagtail/wagtailimages/wagtail_hooks.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.conf.urls import include, url
 from django.core import urlresolvers
 from django.utils.html import format_html, format_html_join

wagtail/wagtailsnippets/wagtail_hooks.py

@@ -1,4 +1,3 @@
-from django.conf import settings
 from django.conf.urls import include, url
 from django.contrib.auth.models import Permission
 from django.contrib.contenttypes.models import ContentType