Remove unused HandlerKind enumeration (#43).

Author: tintoy

src/Client/Handlers/DelegateEmptyNotificationHandler.cs

@@ -32,11 +32,6 @@ public DelegateEmptyNotificationHandler(string method, NotificationHandler handl
         /// </summary>
         public NotificationHandler Handler { get; }
 
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        public override HandlerKind Kind => HandlerKind.EmptyNotification;
-
         /// <summary>
         ///     Invoke the handler.
         /// </summary>

src/Client/Handlers/DelegateHandler.cs

@@ -26,10 +26,5 @@ protected DelegateHandler(string method)
         ///     The name of the method handled by the handler.
         /// </summary>
         public string Method { get; }
-
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        public abstract HandlerKind Kind { get; }
     }
 }

src/Client/Handlers/DelegateNotificationHandler.cs

@@ -36,11 +36,6 @@ public DelegateNotificationHandler(string method, NotificationHandler<TNotificat
         /// </summary>
         public NotificationHandler<TNotification> Handler { get; }
 
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        public override HandlerKind Kind => HandlerKind.EmptyNotification;
-
         /// <summary>
         ///     Invoke the handler.
         /// </summary>

src/Client/Handlers/DelegateRequestHandler.cs

@@ -37,11 +37,6 @@ public DelegateRequestHandler(string method, RequestHandler<TRequest> handler)
         /// </summary>
         public RequestHandler<TRequest> Handler { get; }
 
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        public override HandlerKind Kind => HandlerKind.Request;
-
         /// <summary>
         ///     Invoke the handler.
         /// </summary>

src/Client/Handlers/DelegateRequestResponseHandler.cs

@@ -40,11 +40,6 @@ public DelegateRequestResponseHandler(string method, RequestHandler<TRequest, TR
         /// </summary>
         public RequestHandler<TRequest, TResponse> Handler { get; }
 
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        public override HandlerKind Kind => HandlerKind.Request;
-
         /// <summary>
         ///     Invoke the handler.
         /// </summary>

src/Client/Handlers/HandlerKind.cs

@@ -9,10 +9,5 @@ public interface IHandler
         ///     The name of the method handled by the handler.
         /// </summary>
         string Method { get; }
-
-        /// <summary>
-        ///     The kind of handler.
-        /// </summary>
-        HandlerKind Kind { get; }
     }
 }