Remove obsolete NodeURL unit web test

The NodeURL web test got ported to Karma in https://crrev.com/c/2030776.
This makes the web test obsolete and this CL removes it.

R=tvanderlippe@chromium.org

Bug: chromium:1032561
Change-Id: Ic9554075599a1ab56b3e50f4a8304dd35ea10148
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2033148Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
Commit-Queue: Simon Zünd <szuend@chromium.org>
Cr-Commit-Position: refs/heads/master@{#737689}

third_party/blink/web_tests/http/tests/devtools/unit/node-url-expected.txt

-Checks url patching for Node.js
-..result.value.url patched: false
-..exceptionDetails.url patched: true
-..stackTrace.callFrames[0].url patched: true
-

third_party/blink/web_tests/http/tests/devtools/unit/node-url.js

-// Copyright 2018 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-(async function() {
-  TestRunner.addResult('Checks url patching for Node.js');
-  const url = Host.isWin()
-      ? 'c:\\prog\\foobar.js'
-      : '/usr/local/home/prog/foobar.js'
-  let obj = {
-    id: 0,
-    result: {
-      result: {
-        value: {
-          url: url
-        }
-      },
-      exceptionDetails: {
-        url: url,
-        stackTrace: {
-          callFrames: [{
-            columnNumber: 0,
-            functionName: '',
-            lineNumber: 0,
-            scriptId: "0",
-            url: url
-          }]
-        }
-      }
-    }
-  };
-  Protocol.NodeURL.patch(obj);
-  TestRunner.addResult(`..result.value.url patched: ${
-    obj.result.result.value.url !== url}`);
-  TestRunner.addResult(`..exceptionDetails.url patched: ${
-    obj.result.exceptionDetails.url !== url}`);
-  TestRunner.addResult(`..stackTrace.callFrames[0].url patched: ${
-    obj.result.exceptionDetails.stackTrace.callFrames[0].url !== url}`);
-  TestRunner.completeTest();
-})()