Deleting a review

Having implemented the update of a review, let's now implement deleting a review:

1. Create a new path to delete a review in /movie/urls.py (you should be familiar with this by now):

   …
   urlpatterns = [
       path('<int:movie_id>', views.detail, 
            name='detail'),
       path('<int:movie_id>/create', views.createreview,
            name='createreview'),
       path('review/<int:review_id>', views.updatereview,
            name='updatereview'),
       path('review/<int:review_id>/delete',
            views.deletereview,
            name='deletereview'),
   ]

2. In /movie...