Removed not needed comments on client side (Server side is still missing).

Source/MQTTnet/Client/Disconnecting/IMqttClientDisconnectedHandler.cs

@@ -4,11 +4,6 @@ namespace MQTTnet.Client.Disconnecting
 {
     public interface IMqttClientDisconnectedHandler
     {
-        /// <summary>
-        /// Handles the events when a client gets disconnected.
-        /// </summary>
-        /// <param name="eventArgs">The event args.</param>
-        /// <returns>A <see cref="Task"/> representing any asynchronous operation.</returns>
         Task HandleDisconnectedAsync(MqttClientDisconnectedEventArgs eventArgs);
     }
 }

Source/MQTTnet/Client/Disconnecting/MqttClientDisconnectedEventArgs.cs

@@ -15,14 +15,8 @@ namespace MQTTnet.Client.Disconnecting
             ReasonCode = reason;
         }
 
-        /// <summary>
-        /// Gets a value indicating whether the client was connected or not.
-        /// </summary>
         public bool ClientWasConnected { get; }
 
-        /// <summary>
-        /// Gets the exception.
-        /// </summary>
         public Exception Exception { get; }
 
         /// <summary>