fix: Fix duplicate ports in docker-compose (#472)

### What problem does this PR solve?

Fix duplicate ports in docker-compose

![image](https://github.com/infiniflow/ragflow/assets/54298540/32649b74-97dc-4004-b9aa-ac5e77b368a5)


### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

docker/docker-compose.yml

@@ -12,7 +12,6 @@ services:
     image: infiniflow/ragflow:${RAGFLOW_VERSION}
     container_name: ragflow-server
     ports:
-      - ${SVR_HTTP_PORT}:9380
       - ${SVR_HTTP_PORT}:9380
       - 80:80
       - 443:443