Remove obsolete test (#3347)

diff --git a/test/real_version_test.dart b/test/real_version_test.dart
deleted file mode 100644
index 80afab7..0000000
--- a/test/real_version_test.dart
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import 'dart:io';
-
-import 'package:path/path.dart' as path;
-import 'package:pub/src/exit_codes.dart' as exit_codes;
-import 'package:pub/src/sdk.dart';
-import 'package:test/test.dart';
-import 'package:test_process/test_process.dart';
-
-void main() {
-  // This test is a bit funny.
-  //
-  // Pub parses the "version" file that gets generated and shipped with the SDK.
-  // We want to make sure that the actual version file that gets created is
-  // also one pub can parse. If this test fails, it means the version file's
-  // format has changed in a way pub didn't expect.
-  //
-  // Note that this test expects to be invoked from a Dart executable that is
-  // in the built SDK's "bin" directory. Note also that this invokes pub from
-  // the built SDK directory, and not the live pub code directly in the repo.
-  test('parse the real SDK "version" file', () async {
-    // Get the path to the pub binary in the SDK.
-    var pubPath = path.join(
-        sdk.rootDirectory, 'bin', Platform.isWindows ? 'pub.bat' : 'pub');
-
-    var pub = await TestProcess.start(pubPath, ['version']);
-    expect(pub.stdout, emits(startsWith('Pub')));
-    await pub.shouldExit(exit_codes.SUCCESS);
-  });
-}