docs(workflow): remove ps stop/start

Author: duanhongyi

src/applications/managing-app-processes.md

@@ -173,47 +173,6 @@ scenic-icehouse-web-3291896318-rsekj up (v2)
 scenic-icehouse-web-3291896318-vokg7 up (v2)
 ```
 
-## Stop or Start Processes
-
-Applications deployed on Drycc Workflow,we can stop or start processes via the [process model][].
-Use `drycc ps:stop` to stop the processes, and `drycc ps:start` to start the processes
-
-```
-$ drycc ps -a echoed-lollipop
-===  echoed-lollipop Processes
---- background (started): 1
-echoed-lollipop-background-794c749dc4-yf8kh up (v2)
---- web (started): 3
-echoed-lollipop-web-67cfc78bdc-7lord up (v2)
-echoed-lollipop-web-67cfc78bdc-rsekj up (v2)
-echoed-lollipop-web-67cfc78bdc-vokg7 up (v2)
-```
-
-In this example, we are stopping the process type `background` and `web`.
-
-```
-$ drycc ps:stop background web -a echoed-lollipop
-Scaling processes... but first, coffee!
-done in 3s
-=== echoed-lollipop Processes
---- background (stopped): 1
---- web (stopped): 3
-```
-
-In this example, we are starting the process `web`, and keep the process `background` stopping.
-
-```
-$ drycc ps:start web
-Scaling processes... but first, coffee!
-done in 4s
-=== echoed-lollipop Processes
---- background (stopped): 1
---- web (started): 3
-echoed-lollipop-web-67cfc78bdc-4z2hw up (v2)
-echoed-lollipop-web-67cfc78bdc-fdx4n up (v2)
-echoed-lollipop-web-67cfc78bdc-h2vxf up (v2)
-```
-
 ## Get a Shell to a Running Container
 
 Verify that the container is running: