fix quicClient

Tun/Punchnet/Actors/SDLQuicClient.swift

@@ -66,9 +66,6 @@ actor SDLQUICClient {
     public var eventStream: AsyncStream<SDLQUICEvent>
     private let eventCont: AsyncStream<SDLQUICEvent>.Continuation
     
-    private var readTask: Task<Void, Never>?
-    private var pingTask: Task<Void, Never>?
-
     private let connection: NWConnection
     private let queue = DispatchQueue(label: "com.sdl.QUICClient.queue") // 专用队列保证线程安全
     
@@ -195,8 +192,6 @@ actor SDLQUICClient {
     }
     
     deinit {
-        self.readTask?.cancel()
-        self.pingTask?.cancel()
         self.messageCont.finish()
     }
 }