Don't upload local settings to ssh remotes (#19577)

Closes: #18618

Release Notes:

- (breaking) SSH Remoting: stop uploading local settings to the remote.

crates/remote_server/src/remote_editing_tests.rs

@@ -210,7 +210,7 @@ async fn test_remote_settings(cx: &mut TestAppContext, server_cx: &mut TestAppCo
             AllLanguageSettings::get_global(cx)
                 .language(None, Some(&"Rust".into()), cx)
                 .language_servers,
-            ["from-local-settings".to_string()]
+            ["..."] // local settings are ignored
         )
     });