Delete Service trait (#6921)

core/src/rpc_pubsub_service.rs

@@ -2,7 +2,6 @@
 
 use crate::rpc_pubsub::{RpcSolPubSub, RpcSolPubSubImpl};
 use crate::rpc_subscriptions::RpcSubscriptions;
-use crate::service::Service;
 use jsonrpc_pubsub::{PubSubHandler, Session};
 use jsonrpc_ws_server::{RequestContext, ServerBuilder};
 use std::net::SocketAddr;
@@ -15,14 +14,6 @@ pub struct PubSubService {
     thread_hdl: JoinHandle<()>,
 }
 
-impl Service for PubSubService {
-    type JoinReturnType = ();
-
-    fn join(self) -> thread::Result<()> {
-        self.thread_hdl.join()
-    }
-}
-
 impl PubSubService {
     pub fn new(
         subscriptions: &Arc<RpcSubscriptions>,
@@ -64,6 +55,10 @@ impl PubSubService {
     pub fn close(self) -> thread::Result<()> {
         self.join()
     }
+
+    pub fn join(self) -> thread::Result<()> {
+        self.thread_hdl.join()
+    }
 }
 
 #[cfg(test)]