Remove GardeningServer.

Tools/GardeningServer/ui/test/ct-commit-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-commit.html">
-
-<link rel="import" href="../../model/ct-commit-mock.html">
-
-<script>
-(function () {
-
-var assert = chai.assert;
-
-describe('ct-commit', function() {
-  var commit;
-
-  beforeEach(function(done) {
-    commit = document.createElement('ct-commit');
-    commit.data = new CTCommitMock();
-
-    setTimeout(done);
-  });
-
-  describe('commit UI', function() {
-    it('should show example commit', function() {
-      var html = commit.shadowRoot.innerHTML;
-
-      assert.include(html, 'mkwst');
-      assert.include(html, 'behavior for these types');
-      assert.equal(commit.shadowRoot.querySelector('a').href, commit.data.url);
-    });
-  });
-});
-
-})()
-</script>