test: remove disabled test-dgram-send-error

This test was disabled in 2013 because it spams random IPs with UDP
messages. We've been doing fine for four years without so let's delete
it.

PR-URL: https://github.com/nodejs/node/pull/12330
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

test/disabled/test-dgram-send-error.js

@@ -1,81 +0,0 @@
-// Copyright Joyent, Inc. and other Node contributors.
-//
-// Permission is hereby granted, free of charge, to any person obtaining a
-// copy of this software and associated documentation files (the
-// "Software"), to deal in the Software without restriction, including
-// without limitation the rights to use, copy, modify, merge, publish,
-// distribute, sublicense, and/or sell copies of the Software, and to permit
-// persons to whom the Software is furnished to do so, subject to the
-// following conditions:
-//
-// The above copyright notice and this permission notice shall be included
-// in all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
-// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
-// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
-// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
-// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
-// USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-'use strict';
-// Some operating systems report errors when an UDP message is sent to an
-// unreachable host. This error can be reported by sendto() and even by
-// recvfrom(). Node should not propagate this error to the user.
-
-// We test this by sending a bunch of packets to random IPs. In the meantime
-// we also send packets to ourselves to verify that after receiving an error
-// we can still receive packets successfully.
-
-const common = require('../common');
-var ITERATIONS = 1000;
-
-const assert = require('assert'),
-    dgram = require('dgram');
-
-var buf = Buffer.alloc(1024, 42);
-
-var packetsReceived = 0,
-    packetsSent = 0;
-
-var socket = dgram.createSocket('udp4');
-
-socket.on('message', onMessage);
-socket.on('listening', doSend);
-socket.bind(common.PORT);
-
-function onMessage(message, info) {
-  packetsReceived++;
-  if (packetsReceived < ITERATIONS) {
-    doSend();
-  } else {
-    socket.close();
-  }
-}
-
-function afterSend(err) {
-  assert.ifError(err);
-  packetsSent++;
-}
-
-function doSend() {
-  // Generate a random IP.
-  var parts = [];
-  for (var i = 0; i < 4; i++) {
-    // Generate a random number in the range 1..254.
-    parts.push(Math.floor(Math.random() * 254) + 1);
-  }
-  var ip = parts.join('.');
-
-  socket.send(buf, 0, buf.length, 1, ip, afterSend);
-  socket.send(buf, 0, buf.length, common.PORT, '127.0.0.1', afterSend);
-}
-
-process.on('exit', function() {
-  console.log(packetsSent + ' UDP packets sent, ' +
-              packetsReceived + ' received');
-
-  assert.strictEqual(packetsSent, ITERATIONS * 2);
-  assert.strictEqual(packetsReceived, ITERATIONS);
-});