feat(conduit): fewer open files and no telemetry

conduit should be running smoothly now I hope

hosts/chmura/conduit.nix

@@ -23,6 +23,8 @@ in {
             port = 6167;
             max_request_size = 100000000;
             conduit_cache_capacity_modifier = 4.0;
+            rocksdb_max_open_files = 20;
+            allow_check_for_updates = false;
         };
     };