remove the test that cannot be run because 'capture' is not available on 1.0.x

tests/async/tasynceagain.nim

@@ -1,67 +0,0 @@
-discard """
-  disabled: "windows"
-  exitcode: 0
-"""
-# AsyncSocketBug.nim
-# Jens Alfke (@snej) -- 16 July 2020
-# Demonstrates data loss by Nim's AsyncSocket.
-# Just run it, and it will raise an assertion failure within a minute.
-
-import asyncdispatch, asyncnet, strformat, strutils, sugar
-
-const FrameSize = 9999   # Exact size not important, but larger sizes fail quicker
-
-proc runServer() {.async.} =
-  # Server side:
-  var server = newAsyncSocket()
-  server.bindAddr(Port(9001))
-  server.listen()
-  let client = await server.accept()
-  echo "Server got client connection"
-  var lastN = 0
-  while true:
-    let frame = await client.recv(FrameSize)
-    assert frame.len == FrameSize
-    let n = frame[0..<6].parseInt()
-    echo "RCVD #", n, ":  ", frame[0..80], "..."
-    if n != lastN + 1:
-      echo &"******** ERROR: Server received #{n}, but last was #{lastN}!"
-    assert n == lastN + 1
-    lastN = n
-    await sleepAsync 100
-
-
-proc main() {.async.} =
-  asyncCheck runServer()
-
-  # Client side:
-  let socket = newAsyncSocket(buffered = false)
-  await socket.connect("localhost", Port(9001))
-  echo "Client socket connected"
-
-  var sentCount = 0
-  var completedCount = 0
-
-  while sentCount < 2000:
-    sentCount += 1
-    let n = sentCount
-
-    var message = &"{n:06} This is message #{n} of ∞. Please stay tuned for more. "
-    #echo ">>> ", message
-    while message.len < FrameSize:
-      message = message & message
-    let frame = message[0..<FrameSize]
-
-    capture n:
-      socket.send(frame).addCallback proc(f: Future[void]) =
-        # Callback when the send completes:
-        assert not f.failed
-        echo "SENT #", n
-        if n != completedCount + 1:
-          echo &"******** ERROR: Client completed #{n}, but last completed was #{completedCount}!"
-        # If this assert is enabled, it will trigger earlier than the server-side assert above:
-        assert n == completedCount + 1
-        completedCount = n
-    await sleepAsync 1
-
-waitFor main()