remove obsolete errors

Author: maltesander

rust/operator-binary/src/controller.rs

@@ -24,10 +24,7 @@ use stackable_operator::{
             container::ContainerBuilder,
             resources::ResourceRequirementsBuilder,
             security::PodSecurityContextBuilder,
-            volume::{
-                ListenerOperatorVolumeSourceBuilderError, SecretFormat,
-                SecretOperatorVolumeSourceBuilder, VolumeBuilder,
-            },
+            volume::{SecretFormat, SecretOperatorVolumeSourceBuilder, VolumeBuilder},
         },
     },
     client::Client,
@@ -155,11 +152,6 @@ pub enum Error {
         source: stackable_operator::cluster_resources::Error,
     },
 
-    #[snafu(display("failed to fetch deployed StatefulSets"))]
-    FetchStatefulsets {
-        source: stackable_operator::client::Error,
-    },
-
     #[snafu(display("failed to update status"))]
     StatusUpdate {
         source: stackable_operator::client::Error,
@@ -342,11 +334,6 @@ pub enum Error {
     #[snafu(display("Failed to determine the state of the version upgrade procedure"))]
     ClusterVersionUpdateState { source: upgrade::Error },
 
-    #[snafu(display("failed to build listener volume"))]
-    BuildListenerVolume {
-        source: ListenerOperatorVolumeSourceBuilderError,
-    },
-
     #[snafu(display("failed to build OPA TLS certificate volume"))]
     OpaTlsCertSecretClassVolumeBuild {
         source: stackable_operator::builder::pod::volume::SecretOperatorVolumeSourceBuilderError,