feat: remove product config & clean up

CHANGELOG.md

@@ -21,6 +21,8 @@ All notable changes to this project will be documented in this file.
 - Bump `stackable-operator` to 0.111.0 and `kube` to 3.1.0 ([#878], [#884]).
 - Internal operator refactoring: introduce dereference() and validate() steps in the reconciler ([#889]).
 - test: Bump vector-aggregator to 0.55.0, replace /graphql call with gRPC call ([#895]).
+- BREAKING: Removed product-config machinery. This is a breaking change in terms of configuration.
+  Users relying on the product-config `properties.yaml` file have to set these properties via the CRD ([#897]).
 
 ### Fixed
 
@@ -38,6 +40,7 @@ All notable changes to this project will be documented in this file.
 [#884]: https://github.com/stackabletech/trino-operator/pull/884
 [#889]: https://github.com/stackabletech/trino-operator/pull/889
 [#895]: https://github.com/stackabletech/trino-operator/pull/895
+[#897]: https://github.com/stackabletech/trino-operator/pull/897
 
 ## [26.3.0] - 2026-03-16