Remove close event on QuicConnection

quic/transport/ngtcp2/connection/closedstate.nim

@@ -13,9 +13,6 @@ proc newClosedConnection*: ClosedConnection =
 
 {.push locks: "unknown".}
 
-method enter(state: ClosedConnection, connection: QuicConnection) =
-  connection.closed.fire()
-
 method ids(state: ClosedConnection): seq[ConnectionId] =
   @[]
 

quic/transport/quicconnection.nim

@@ -9,7 +9,6 @@ type
     outgoing*: AsyncQueue[Datagram]
     incoming*: AsyncQueue[Stream]
     handshake*: AsyncEvent
-    closed*: AsyncEvent
     disconnect*: proc(): Future[void] {.gcsafe.}
   ConnectionState* = ref object of RootObj
   IdCallback* = proc(id: ConnectionId)
@@ -55,7 +54,6 @@ proc newQuicConnection*(state: ConnectionState): QuicConnection =
     outgoing: newAsyncQueue[Datagram](),
     incoming: newAsyncQueue[Stream](),
     handshake: newAsyncEvent(),
-    closed: newAsyncEvent()
   )
   state.enter(connection)
   connection

tests/quic/testQuicConnection.nim

@@ -70,11 +70,6 @@ suite "quic connection":
     await server.handshake.wait()
     check newId != ConnectionId.default
 
-  asynctest "fires event when closed":
-    let client = newQuicClientConnection(zeroAddress, zeroAddress)
-    await client.drop()
-    check client.closed.isSet()
-
   asynctest "raises ConnectionError when closed":
     let connection = newQuicClientConnection(zeroAddress, zeroAddress)
     await connection.drop()