#190 Remove urm plugin

memento/etc/memento.urm.puml

@@ -1,49 +0,0 @@
-@startuml
-package com.iluwatar.memento {
-  class App {
-    - LOGGER : Logger {static}
-    + App()
-    + main(args : String[]) {static}
-  }
-  class Star {
-    - ageYears : int
-    - massTons : int
-    - type : StarType
-    + Star(startType : StarType, startAge : int, startMass : int)
-    ~ getMemento() : StarMemento
-    ~ setMemento(memento : StarMemento)
-    + timePasses()
-    + toString() : String
-  }
-  -class StarMementoInternal {
-    - ageYears : int
-    - massTons : int
-    - type : StarType
-    - StarMementoInternal()
-    + getAgeYears() : int
-    + getMassTons() : int
-    + getType() : StarType
-    + setAgeYears(ageYears : int)
-    + setMassTons(massTons : int)
-    + setType(type : StarType)
-  }
-  interface StarMemento {
-  }
-  enum StarType {
-    + DEAD {static}
-    + RED_GIANT {static}
-    + SUN {static}
-    + SUPERNOVA {static}
-    + UNDEFINED {static}
-    + WHITE_DWARF {static}
-    - title : String
-    + toString() : String
-    + valueOf(name : String) : StarType {static}
-    + values() : StarType[] {static}
-  }
-}
-StarMementoInternal -->  "-type" StarType
-Star -->  "-type" StarType
-StarMementoInternal ..+ Star
-StarMementoInternal ..|> StarMemento 
-@enduml