#190 Remove urm plugin

thread-pool/etc/thread-pool.urm.puml

@@ -1,37 +0,0 @@
-@startuml
-package com.iluwatar.threadpool {
-  class App {
-    - LOGGER : Logger {static}
-    + App()
-    + main(args : String[]) {static}
-  }
-  class CoffeeMakingTask {
-    - TIME_PER_CUP : int {static}
-    + CoffeeMakingTask(numCups : int)
-    + toString() : String
-  }
-  class PotatoPeelingTask {
-    - TIME_PER_POTATO : int {static}
-    + PotatoPeelingTask(numPotatoes : int)
-    + toString() : String
-  }
-  abstract class Task {
-    - ID_GENERATOR : AtomicInteger {static}
-    - id : int
-    - timeMs : int
-    + Task(timeMs : int)
-    + getId() : int
-    + getTimeMs() : int
-    + toString() : String
-  }
-  class Worker {
-    - LOGGER : Logger {static}
-    - task : Task
-    + Worker(task : Task)
-    + run()
-  }
-}
-Worker -->  "-task" Task
-CoffeeMakingTask --|> Task 
-PotatoPeelingTask --|> Task 
-@enduml