fix: remove not implemented ps command

Author: lucarin91

cmd/arduino-app-cli/app/app.go

@@ -38,7 +38,6 @@ func NewAppCmd(cfg config.Configuration) *cobra.Command {
 	appCmd.AddCommand(newRestartCmd(cfg))
 	appCmd.AddCommand(newLogsCmd(cfg))
 	appCmd.AddCommand(newListCmd(cfg))
-	appCmd.AddCommand(newPsCmd())
 	appCmd.AddCommand(newMonitorCmd(cfg))
 
 	return appCmd