Remove wagtail utility routes for authentication (#12655)

* Remove wagtail utility routes for authentication

* Remove unused imports after `_util` route removal

---------

Co-authored-by: Rob DiVincenzo <[email protected]>

network-api/networkapi/utility/watail_core_url_override.py

@@ -2,8 +2,7 @@
 # TO ALLOW NON-SLUG URLS FROM MAKING IT INTO THE serve() FUNCTION
 
 from django.conf import settings
-from django.contrib.auth import views as auth_views
-from django.urls import path, re_path
+from django.urls import re_path
 from wagtail import views
 from wagtail.coreutils import WAGTAIL_APPEND_SLASH
 
@@ -29,16 +28,6 @@
 
 
 urlpatterns = [
-    path(
-        "_util/authenticate_with_password/<int:page_view_restriction_id>/<int:page_id>/",
-        views.authenticate_with_password,
-        name="wagtailcore_authenticate_with_password",
-    ),
-    path(
-        "_util/login/",
-        auth_views.LoginView.as_view(template_name=WAGTAIL_FRONTEND_LOGIN_TEMPLATE),
-        name="wagtailcore_login",
-    ),
     # Front-end page views are handled through Wagtail's core.views.serve
     # mechanism
     re_path(serve_pattern, views.serve, name="wagtail_serve"),