Update model-notifications.md - description is not allowed as a group…

… property

08:32:37  Running dbt...
dbt command failed
08:32:58  Encountered an error:
Parsing Error
  Invalid groups config given in ......
Additional properties are not allowed ('description' was unexpected)

website/docs/docs/deploy/model-notifications.md

@@ -36,17 +36,17 @@ version: 2
 
 groups:
   - name: finance
-    description: "Models related to the finance department"
     owner:
       # Email is required to receive model-level notifications, additional properties are also allowed.
       name: "Finance Team"
+      description: "Models related to the finance department"
       email: [email protected]
       favorite_food: donuts
 
   - name: marketing
-    description: "Models related to the marketing department"
     owner:
       name: "Marketing Team"
+      description: "Models related to the marketing department"
       email: [email protected]
       favorite_food: jaffles
 ```