removed an admonition block and a migration guide entry with docs updates which never made it live

Author: rsill-neo4j

modules/ROOT/pages/migration/index.adoc

@@ -910,22 +910,6 @@ type Record @limit(default: 10, max: 100) {
 They can be used to configure not only if fields are readable or writable, but also when they should be readable or writable.
 a|* `@readonly` -> `@settable(onCreate: false, onUpdate: false)`
 * `@writeonly` -> `@selectable(onRead: false, onAggregate: false)`
-
-|`@query` and `@relationship`
-|Aggregation operations are no longer generated by default.
-They can be enabled case by case using the directives xref::/schema-configuration/type-configuration.adoc#_query[`@query`] and xref::/schema-configuration/field-configuration.adoc#_relationship[`@relationship`].
-a|
-[source, graphql, indent=0]
-----
-type Movie {
-  title: String!
-}
-
-type Actor @query(aggregate: true) {
-  name: String!
-  actedIn: [Movie!]! @relationship(type: "ACTED_IN", direction: OUT, aggregate: true) 
-}
-----
 |===
 
 [relationship-aggregate]

modules/ROOT/pages/schema-configuration/type-configuration.adoc

@@ -49,12 +49,6 @@ This directive is used to limit the availability of query operations in the libr
 directive @query(read: Boolean! = true, aggregate: Boolean! = false) on OBJECT | SCHEMA
 ----
 
-[NOTE]
-====
-Aggregations are no longer generated by default in the 4.0.0 version of the library. 
-See xref:migration/index.adoc#_updated_directives[Updated directives] for more information.
-====
-
 === Usage
 
 .Disable _movies_ and _moviesConnection_ operations