update nostrsdk and change relay handle methods

lib/provider/relay_provider.dart

@@ -343,11 +343,9 @@ class RelayProvider extends ChangeNotifier {
     }
 
     for (var addr in needRemoveList) {
-      if (!nostr!.tempRelayHasSubscription(addr)) {
-        // don't contain subscription, remote!
-        _tempRelayStatusMap.remove(addr);
-        nostr!.removeTempRelay(addr);
-      }
+      // don't contain subscription, remote!
+      _tempRelayStatusMap.remove(addr);
+      nostr!.removeRelay(addr);
     }
   }
 }