Clean up orphaned resources (#495)

Fixes #378

CI https://ci.stackable.tech/view/02%20Operator%20Tests%20(custom)/job/kafka-operator-it-custom/19/

Author: razvan

CHANGELOG.md

@@ -8,9 +8,11 @@ All notable changes to this project will be documented in this file.
 
 - Added default resource requests (memory and cpu) for Kafka pods. ([#485])
 - Support for Kafka 3.3.1 ([#492])
+- Orphaned resources are deleted ([#495])
 
 [#485]: https://github.com/stackabletech/kafka-operator/pull/485
 [#492]: https://github.com/stackabletech/kafka-operator/pull/492
+[#495]: https://github.com/stackabletech/kafka-operator/pull/495
 
 ### Changed