Fixed #8679: use full signature of Model.save() in docs and remove no-longer-used 'raw' argument

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8754 bcc190cf-cafb-0310-a4f2-bffc1f526a37

docs/ref/contrib/sitemaps.txt

@@ -325,8 +325,8 @@ method::
   
     class Entry(models.Model):
         # ...
-        def save(self):
-            super(Entry, self).save()
+        def save(self, force_insert=False, force_update=False):
+            super(Entry, self).save(force_insert, force_update)
             try:
                 ping_google()
             except Exception: