Remove docker compose command

- Remove docker compose command from docker helpful commands section

Web Pages/blog_docker.html

@@ -153,12 +153,7 @@ ros-demo:
                             <li>System Prune to clear space on Docker Machine</li>
                             <ul>
                                 <li><code>docker system prune --volumes</code></li>
-                            </ul>
-
-                            <li>Use Docker Compose to run a container named <i>container_name</i></li>
-                            <ul>
-                                <li><code>docker-compose run --rm <i>container_name</i></code></li>
-                            </ul>                            
+                            </ul>                         
                         </ul>
                     </p>