OZG-3961 cleanup

pom.xml

src/main/java/de/ozgcloud/operator/Config.java

...ain/java/de/ozgcloud/operator/OzgOperatorApplication.java

.../java/de/ozgcloud/operator/SpringNativeConfiguration.java

...in/java/de/ozgcloud/operator/keycloak/KeycloakClient.java

...gcloud/operator/keycloak/client/KeycloakClientMapper.java

...ozgcloud/operator/keycloak/group/KeycloakGroupMapper.java

src/main/resources/application.yml

...ava/de/ozgcloud/operator/keycloak/KeycloakClientTest.java

...ator/keycloak/client/ClientRepresentationTestFactory.java

...ud/operator/keycloak/client/KeycloakClientMapperTest.java

...erator/keycloak/client/RoleRepresentationTestFactory.java

...erator/keycloak/group/GroupRepresentationTestFactory.java

...loud/operator/keycloak/group/KeycloakGroupMapperTest.java

.../operator/keycloak/group/OzgKeycloakGroupTestFactory.java

...loud/operator/keycloak/realm/KeycloakRealmMapperTest.java

.../operator/keycloak/realm/OzgKeycloakRealmTestFactory.java

...erator/keycloak/realm/RealmRepresentationTestFactory.java

...gcloud/operator/keycloak/user/KeycloakUserMapperTest.java

...ud/operator/keycloak/user/OzgKeycloakUserTestFactory.java