Remove server-side RefreshInHands, refresh them on component state update

Content.Shared/GameObjects/Components/Items/SharedHandsComponent.cs

@@ -75,16 +75,4 @@ namespace Content.Shared.GameObjects
             Index = index;
         }
     }
-
-    /// <summary>
-    /// A message that tells the client to refresh in-hands.
-    /// </summary>
-    [Serializable, NetSerializable]
-    public class RefreshInHandsMsg : ComponentMessage
-    {
-        public RefreshInHandsMsg()
-        {
-            Directed = true;
-        }
-    }
 }