Remove direct uart comm

To avoid lost of sync with Nextion queue

advanced/esphome/nspanel_esphome_addon_upload_tft.yaml

@@ -114,8 +114,8 @@ script:
           ESP_LOGD(TAG, "Waiting for empty UART and Nextion queues");
       - wait_until:
           condition:
-            - lambda: !lambda return (disp1->queue_size()<=0);
-            - lambda: !lambda return (tf_uart->available()<=0);
+            - lambda: !lambda return (disp1->queue_size() < 1);
+            - lambda: !lambda return (tf_uart->available() < 1);
           timeout: 10s
       - delay: 2s
       - lambda: |-