Remove unused import

Author: sbernauer

rust/operator-binary/src/crd/history.rs

@@ -62,8 +62,6 @@ pub enum Error {
 
 #[versioned(version(name = "v1alpha1"))]
 pub mod versioned {
-    use stackable_operator::role_utils::{GenericRoleConfig, JavaCommonConfig};
-
     /// A Spark cluster history server component. This resource is managed by the Stackable operator
     /// for Apache Spark. Find more information on how to use it in the
     /// [operator documentation](DOCS_BASE_URL_PLACEHOLDER/spark-k8s/usage-guide/history-server).