chore(helm): Remove image.repository from values.yaml

Author: Techassi

deploy/helm/kafka-operator/values.yaml

@@ -1,7 +1,6 @@
 # Default values for kafka-operator.
 ---
 image:
-  repository: oci.stackable.tech/sdp/kafka-operator
   pullPolicy: IfNotPresent
   pullSecrets: []