Remove redundant read-only VV from datafields (#12626)

Content.Server/Dice/DiceComponent.cs

@@ -5,15 +5,12 @@ namespace Content.Server.Dice
     [RegisterComponent, Access(typeof(DiceSystem))]
     public sealed class DiceComponent : Component
     {
-        [ViewVariables]
         [DataField("sound")]
         public SoundSpecifier Sound { get; } = new SoundCollectionSpecifier("Dice");
 
-        [ViewVariables]
         [DataField("step")]
         public int Step { get; } = 1;
 
-        [ViewVariables]
         [DataField("sides")]
         public int Sides { get; } = 20;