remove undirected examples

Author: MacondoExpress

modules/ROOT/pages/queries-aggregations/aggregations.adoc

@@ -180,17 +180,3 @@ query {
 }
 ----
 
-When performing an aggregation on related nodes, the query against the relationship
-can be defined as "undirected" by using the argument `directed: false`:
-
-[source, graphql, indent=0]
-----
-query {
-    users {
-        id
-        postsAggregate(directed: false) {
-            count
-        }
-    }
-}
-----

modules/ROOT/pages/queries-aggregations/queries.adoc

@@ -69,45 +69,3 @@ query {
     }
 }
 ----
-
-== Undirected queries
-
-All xref::/types/relationships.adoc[relationships] are created with a direction from one node to another.
-By default, all queries follow the direction defined in the relationship. 
-However, in some cases it is necessary to query for all related nodes, regardless of the direction of the relationship. 
-This can be achieved with the argument `directed: false`.
-
-For example, the following query should return all User friends, regardless of the direction of the relationship `"FRIENDS_WITH"`:
-
-[source, graphql, indent=0]
-----
-query {
-    users {
-        name
-        friends: friends(directed: false) {
-            name
-        }
-    }
-}
-----
-
-In addition, undirected relationships can also be used in the same fashion with connections.
-For instance, this query is asking for a list of users and their friends' names with an undirected friendship connection:
-
-[source, graphql, indent=0]
-----
-query Query {
-  users {
-    friendsConnection(directed: false) {
-      edges {
-        node {
-          name
-        }
-      }
-    }
-  }
-}
-----
-
-Keep in mind that *undirected relationships are only supported in queries*.
-The xref::/types/relationships.adoc#_querydirection[type definitions] for a relationship may define a different behavior, so the `directed` option may not be available in some cases.