Remove temp sample script.

client/testing/unittest/sample.dart

-// Copyright (c) 2011, 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.
-
-// Just a dumb test script to validate that the VM flavor works.
-
-#library('sample');
-
-#import('unittest_vm.dart');
-
-main() {
-  group('group 1', () {
-    test('passing test 1', () {
-      expect(1).equals(1);
-      expect(1).equals(1);
-    });
-
-    test('failing test 2', () {
-      expect(1).equals(1);
-      expect(1).equals(2);
-    });
-  });
-
-  group('group 2', () {
-    test('passing test 3', () {
-      expect(1).equals(1);
-      expect(1).equals(1);
-    });
-
-    test('failing test 4', () {
-      expect(1).equals(1);
-      expect(1).equals(2);
-    });
-  });
-
-  test('ungrouped passing test 5', () {
-    expect(1).equals(1);
-    expect(1).equals(1);
-  });
-
-  test('ungrouped failing test 5', () {
-    expect(1).equals(1);
-    expect(1).equals(2);
-  });
-
-  asyncTest('async', 2, () {
-    new Timer((timer) {
-      expect(1).equals(1);
-      callbackDone();
-
-      new Timer((timer) {
-        expect(1).equals(1);
-        callbackDone();
-      }, 10, false);
-    }, 10, false);
-  });
-}