Remove GardeningServer.

Tools/GardeningServer/model/test/ct-step-failure-tests.html

-<!--
-Copyright 2014 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.
--->
-
-<link rel="import" href="../ct-step-failure.html">
-
-<script>
-(function () {
-
-var assert = chai.assert;
-
-describe('CTStepFailure', function() {
-  var tests = [
-    {
-      failure: new CTStepFailure('browser_tests', 'FooTest.Bar', {}, 123, 123),
-      expectedGroupName: 'FooTest',
-      expectedKey: 'browser_tests::FooTest.Bar',
-    },
-    {
-      failure: new CTStepFailure('webkit_tests', 'fast/text/foo.html', {}, 123, 123),
-      expectedGroupName: 'fast/text',
-      expectedKey: 'webkit_tests::fast/text/foo.html',
-    },
-    {
-      failure: new CTStepFailure('compile', undefined, {builder1: {}}, 123, 123),
-      expectedGroupName: undefined,
-      expectedKey: 'compile::builder1',
-    }
-  ];
-
-  it('group name', function() {
-    tests.forEach(function(test) {
-      assert.equal(test.failure.reasonGroupName(), test.expectedGroupName);
-    });
-  });
-
-  it('has key', function() {
-    tests.forEach(function(test) {
-      assert.propertyVal(test.failure, 'key', test.expectedKey);
-    });
-  });
-
-  it('no tree closers', function() {
-    var failure = new CTStepFailure('browser_tests', 'FooTest.Bar', {}, 123, 123);
-    assert.notOk(failure.isTreeCloser());
-  });
-
-  it('tree closer', function() {
-    var failure = new CTStepFailure('browser_tests', 'FooTest.Bar', {'builder': {isTreeCloser: true}}, 123, 123);
-    assert.ok(failure.isTreeCloser());
-  });
-
-});
-
-})();
-</script>