#190 Remove urm plugin

state/etc/state.urm.puml

@@ -1,39 +0,0 @@
-@startuml
-package com.iluwatar.state {
-  class AngryState {
-    - LOGGER : Logger {static}
-    - mammoth : Mammoth
-    + AngryState(mammoth : Mammoth)
-    + observe()
-    + onEnterState()
-  }
-  class App {
-    + App()
-    + main(args : String[]) {static}
-  }
-  class Mammoth {
-    - state : State
-    + Mammoth()
-    - changeStateTo(newState : State)
-    + observe()
-    + timePasses()
-    + toString() : String
-  }
-  class PeacefulState {
-    - LOGGER : Logger {static}
-    - mammoth : Mammoth
-    + PeacefulState(mammoth : Mammoth)
-    + observe()
-    + onEnterState()
-  }
-  interface State {
-    + observe() {abstract}
-    + onEnterState() {abstract}
-  }
-}
-PeacefulState -->  "-mammoth" Mammoth
-AngryState -->  "-mammoth" Mammoth
-Mammoth -->  "-state" State
-AngryState ..|> State 
-PeacefulState ..|> State 
-@enduml