Change Empty() to be a static property

Author: Micky5991

JustAnotherVoiceChat.Server.Wrapper/src/Structs/VoiceHandle.cs

@@ -29,9 +29,9 @@ namespace JustAnotherVoiceChat.Server.Wrapper.Structs
 {
     public struct VoiceHandle
     {
+        public static VoiceHandle Empty => new VoiceHandle(0);
 
         public bool IsEmpty => Identifer == 0;
-        
         public ushort Identifer { get; }
 
         public VoiceHandle(ushort identifer)
@@ -64,10 +64,5 @@ public override int GetHashCode()
         {
             return !left.Equals(right);
         }
-
-        public static VoiceHandle Empty()
-        {
-            return new VoiceHandle(0);
-        }
     }
 }