Once permissons are revoked once, we are done

lms/data_tasks/report/create_from_scratch/99_grant_permissions/01_grant_schema.jinja2.sql

@@ -1,11 +1,6 @@
 -- The public schema already exists but we need to grant usage to the user we
 -- will map via FDW.
 
-{% for fdw_user in fdw_users %}
-    -- Once this has been run once, it can be removed
-    REVOKE ALL PRIVILEGES ON ALL TABLES IN SCHEMA public FROM "{{fdw_user}}";
-{% endfor %}
-
 {% for fdw_user in fdw_users %}
     -- Permissions exist independently of the schema, so dropping the schema
     -- does not revoke permissions. We need to remove the existing permissions