feat: remove Endpoint::latency

iroh/src/endpoint.rs

@@ -1000,13 +1000,6 @@ impl Endpoint {
         self.msock.conn_type(endpoint_id)
     }
 
-    /// Returns the currently lowest latency for this endpoint.
-    ///
-    /// Will return `None` if we do not have any address information for the given `endpoint_id`.
-    pub fn latency(&self, endpoint_id: EndpointId) -> Option<Duration> {
-        self.msock.latency(endpoint_id)
-    }
-
     /// Returns the DNS resolver used in this [`Endpoint`].
     ///
     /// See [`Builder::dns_resolver`].

iroh/src/magicsock.rs

@@ -387,6 +387,7 @@ impl MagicSock {
         self.endpoint_map.conn_type(endpoint_id)
     }
 
+    #[allow(dead_code)]
     pub(crate) fn latency(&self, endpoint_id: EndpointId) -> Option<Duration> {
         self.endpoint_map.latency(endpoint_id)
     }

iroh/src/magicsock/endpoint_map.rs

@@ -322,6 +322,7 @@ impl EndpointMap {
         self.inner.lock().expect("poisoned").conn_type(endpoint_id)
     }
 
+    #[allow(dead_code)]
     pub(super) fn latency(&self, endpoint_id: EndpointId) -> Option<Duration> {
         self.inner.lock().expect("poisoned").latency(endpoint_id)
     }