Remove port now that port forward works for Docker Compose

Author: Chuxel

containers/python-3-postgres/.devcontainer/docker-compose.yml

@@ -5,8 +5,6 @@ services:
     build: 
       context: ..
       dockerfile: .devcontainer/Dockerfile
-    ports:
-      - 5000:5000
     volumes:
       - ..:/workspace
     command: sleep infinity