Remove a duplicated word.

Author: armiol

release-notes/2023/v1.9.0.md

@@ -178,7 +178,7 @@ if (outcome.hasAlreadyPickedBy()) {
   By default, `InboxMessages` are marked as DELIVERED in case of failure of their reception.
 
 
-- **Prohibit calling `state()` from from `@Apply`-ers ([#1501](https://github.com/SpineEventEngine/core-java/pull/1501))**
+- **Prohibit calling `state()` from `@Apply`-ers ([#1501](https://github.com/SpineEventEngine/core-java/pull/1501))**
 
   It is now not possible to call `Aggregate.state()` from `@Apply`-ers. Previously, it was possible, but as discovered from real-world cases, such a functionality is prone to logical errors. End-users must use `Aggregate.builder()` instead.