Update 'Class_Diagram'

Class_Diagram.md

@@ -80,19 +80,19 @@ package Model <<Frame>> #bada55 {
 }
 
 PlayerManager ..|> IManager
-PlayerManager --> "[*]" Player
+PlayerManager --> Player
 
 Turn .. (Die, Face) : [*]
   Face "[1]" -- "[1]" Die
 Turn --> Player
 
 DiceGroupManager ..|> IManager
-DiceGroupManager --> "[*[*]]" Die
+DiceGroupManager --> Die
 
 GameManager ..|> IManager
-GameManager --> "[*]" Game
+GameManager --> Game
 
-Die --> "[*]" Face
+Die --> Face
 
 HomogeneousDie --|> Die
 
@@ -100,9 +100,9 @@ MasterOfCeremonies --> IManager
 MasterOfCeremonies --> IManager
 MasterOfCeremonies --> IManager
 
-Game --> "[*]" Turn
+Game --> Turn
 Game --> IManager
-Game --> "[*]" Die
+Game --> Die
 
 @enduml
 ```