remove unused error def/function

Author: adwk67

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

@@ -549,18 +549,6 @@ impl v1alpha1::HbaseCluster {
         }
         .to_string()
     }
-
-    pub fn rolegroup_ref(
-        &self,
-        role_name: impl Into<String>,
-        group_name: impl Into<String>,
-    ) -> RoleGroupRef<v1alpha1::HbaseCluster> {
-        RoleGroupRef {
-            cluster: ObjectRef::from_obj(self),
-            role: role_name.into(),
-            role_group: group_name.into(),
-        }
-    }
 }
 
 pub fn merged_env(rolegroup_config: Option<&BTreeMap<String, String>>) -> Vec<EnvVar> {

rust/operator-binary/src/hbase_controller.rs

@@ -327,9 +327,6 @@ pub enum Error {
         source: stackable_operator::kvp::LabelError,
     },
 
-    #[snafu(display("cannot collect discovery configuration"))]
-    CollectDiscoveryConfig { source: crate::crd::Error },
-
     #[snafu(display("failed to build listener volume"))]
     BuildListenerVolume {
         source: ListenerOperatorVolumeSourceBuilderError,