Don't delete work queue task when local_ctrl fails to start

this vTaskDelete statement was probably missed when the work queue has
been restructured and extracted in a separate component.
See commit: 31d4b375e3

components/esp_rainmaker/src/core/esp_rmaker_core.c

@@ -282,7 +282,7 @@ static void esp_rmaker_task(void *data)
 #ifdef CONFIG_ESP_RMAKER_LOCAL_CTRL_ENABLE
     if (esp_rmaker_start_local_ctrl_service(esp_rmaker_get_node_id()) != ESP_OK) {
         ESP_LOGE(TAG, "Failed to start local control service. Aborting!!!");
-        vTaskDelete(NULL);
+        goto rmaker_err;
     }
 #endif /* CONFIG_ESP_RMAKER_LOCAL_CTRL_ENABLE */
     err = esp_rmaker_mqtt_connect();