#190 Remove urm plugin

guarded-suspension/etc/guarded-suspension.urm.puml

@@ -1,15 +0,0 @@
-@startuml
-package com.iluwatar.guarded.suspension {
-  class App {
-    + App()
-    + main(args : String[]) {static}
-  }
-  class GuardedQueue {
-    - LOGGER : Logger {static}
-    - sourceList : Queue<Integer>
-    + GuardedQueue()
-    + get() : Integer
-    + put(e : Integer)
-  }
-}
-@enduml