docs: Fix doc refs

Author: NickLarsenNZ

rust/operator-binary/src/discovery.rs

@@ -62,8 +62,6 @@ pub enum Error {
 }
 
 /// Build a discovery [`ConfigMap`] containing connection details for a [`v1alpha1::ZookeeperCluster`] from a [`listener::v1alpha1::Listener`].
-///
-/// `hosts` will usually come from either [`pod_hosts`] or [`nodeport_hosts`].
 #[allow(clippy::too_many_arguments)]
 pub fn build_discovery_configmap(
     zk: &v1alpha1::ZookeeperCluster,

rust/operator-binary/src/zk_controller.rs

@@ -797,7 +797,7 @@ pub fn build_role_listener_pvc(
 
 /// The rolegroup [`StatefulSet`] runs the rolegroup, as configured by the administrator.
 ///
-/// The [`Pod`](`stackable_operator::k8s_openapi::api::core::v1::Pod`)s are accessible through the corresponding [`Service`] (from [`build_server_rolegroup_service`]).
+/// The [`Pod`](`stackable_operator::k8s_openapi::api::core::v1::Pod`)s are accessible through the corresponding headless [`Service`] (from [`build_server_rolegroup_headless_service`]).
 #[allow(clippy::too_many_arguments)]
 fn build_server_rolegroup_statefulset(
     zk: &v1alpha1::ZookeeperCluster,