django2.2: remove view_page permission as it clash with built-in permission

Need a bit of discussion as I'm not an expert in django built-in permissions
An issue on github says it's related to https://docs.djangoproject.com/en/2.1/releases/2.1/#considerations-for-the-new-model-view-permission

core/models.py

@@ -1171,7 +1171,6 @@ class Page(models.Model):
         unique_together = ("name", "parent")
         permissions = (
             ("change_prop_page", "Can change the page's properties (groups, ...)"),
-            ("view_page", "Can view the page"),
         )
 
     @staticmethod