Update README.adoc

Update section on visualization

README.adoc

@@ -301,24 +301,12 @@ dependencies {
 }
 ----
 
-== Simple Visualisation
+== Visualisation
 
-By using the StateMachineDefinition created by the DSL we do not have access to the details of guard expressions or actions.
+For more information about visualization options use link:https://github.com/open-jumpco/kfsm-viz[kfsm-io.jumpco.open.kfsm.viz]
 
-For more detailed visualization use link:https://github.com/open-jumpco/kfsm-viz[kfsm-io.jumpco.open.kfsm.viz]
 
-[source,kotlin]
-----
-@Test
-fun produceVisualizationTurnstileFSM() {
-    println("== TurnStile")
-    val visualization = visualize(TurnstileFSM.definition)
-    File("generated", "turnstile.plantuml").writeText(plantUml(visualization))
-}
-----
-
-
-=== Plantuml
+=== Plantuml Examples
 
 ==== Turnstile FSM