Remove GardeningServer.

Tools/GardeningServer/model/ct-commit-list.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-log.html">
-<link rel="import" href="ct-repository-commit-list.html">
-
-<script>
-function CTCommitList(commitLog, revisions) {
-  this._initRevisions(revisions);
-  this.update(commitLog);
-}
-
-CTCommitList.prototype.update = function(commitLog) {
-  this.repositories = [];
-  if (!commitLog)
-    return;
-
-  var allRepositories = commitLog._repositories.names;
-  for (var i = 0; i < allRepositories.length; i++) {
-    var repository = allRepositories[i];
-    if (!this.revisions[repository])
-      continue;
-
-    var commits = commitLog.range(repository, this.revisions[repository]);
-    if (!commits.length)
-      continue;
-
-    this.repositories.push(new CTRepositoryCommitList(repository, commits));
-  }
-};
-
-CTCommitList.prototype._initRevisions = function(repoRevisions) {
-  this.revisions = {};
-  repoRevisions.forEach(function(repoRevision) {
-    var split = repoRevision.split(':');
-    var repo = split[0];
-    var revision = parseInt(split[1], 10);
-    if (revision && repo) {
-      if (!this.revisions[repo]) {
-        this.revisions[repo] = [revision];
-      } else {
-        this.revisions[repo].push(revision);
-      }
-    }
-  }.bind(this));
-};
-
-</script>