Update 'Class_Diagram'

Class_Diagram.md

@@ -221,7 +221,6 @@ package Model <<Frame>> #bada55 {
     
     class Game $done {
       /+Name: string
-      /+Dice: [*] Die
       +PerformTurn(player: Player)
       +GetHistory(): [*] Turn
       +GetWhoPlaysNow(): Player
@@ -231,8 +230,8 @@ package Model <<Frame>> #bada55 {
     class Turn $done {
       +/When: DateTime
       -Ctor()
-      {static} +CreateWithSpecifiedTime(DateTime, Player, Dictionary<Die, Face>): Turn
-      {static} +CreateWithDefaultTime(Player, Dictionary<Die, Face>): Turn
+      {static} +CreateWithDefaultTime(...)
+      {static} +CreateWithSpecifiedTime(...)
     }
     
   }