Removes explicit calls to raise_not_editable from views

These raises are handled implicitly in the form, so they don't have to
be called outright.

bookwyrm/views/get_started.py

@@ -82,7 +82,6 @@ class GetStartedBooks(View):
         for (book_id, shelf_id) in shelve_actions:
             book = get_object_or_404(models.Edition, id=book_id)
             shelf = get_object_or_404(models.Shelf, id=shelf_id)
-            shelf.raise_not_editable(request.user)
 
             models.ShelfBook.objects.create(book=book, shelf=shelf, user=request.user)
         return redirect(self.next_view)

bookwyrm/views/list/curate.py

@@ -31,7 +31,6 @@ class Curate(View):
     def post(self, request, list_id):
         """edit a book_list"""
         book_list = get_object_or_404(models.List, id=list_id)
-        book_list.raise_not_editable(request.user)
 
         suggestion = get_object_or_404(models.ListItem, id=request.POST.get("item"))
         approved = request.POST.get("approved") == "true"

bookwyrm/views/list/list.py

@@ -241,7 +241,6 @@ def set_book_position(request, list_item_id):
     special care with the unique ordering per list.
     """
     list_item = get_object_or_404(models.ListItem, id=list_item_id)
-    list_item.book_list.raise_not_editable(request.user)
     try:
         int_position = int(request.POST.get("position"))
     except ValueError:

bookwyrm/views/status.py

@@ -34,7 +34,6 @@ class EditStatus(View):
         status = get_object_or_404(
             models.Status.objects.select_subclasses(), id=status_id
         )
-        status.raise_not_editable(request.user)
 
         status_type = "reply" if status.reply_parent else status.status_type.lower()
         data = {
@@ -163,7 +162,6 @@ def edit_readthrough(request):
     """can't use the form because the dates are too finnicky"""
     # TODO: remove this, it duplicates the code in the ReadThrough view
     readthrough = get_object_or_404(models.ReadThrough, id=request.POST.get("id"))
-    readthrough.raise_not_editable(request.user)
 
     readthrough.start_date = load_date_in_user_tz_as_utc(
         request.POST.get("start_date"), request.user