Remove GardeningServer.

Tools/GardeningServer/ui/ct-popout-iframe.html

Index: Tools/GardeningServer/ui/ct-popout-iframe.html
diff --git a/Tools/GardeningServer/ui/ct-popout-iframe.html b/Tools/GardeningServer/ui/ct-popout-iframe.html
deleted file mode 100644
index 953a5474806f29c9588f13fa07e785f550ada99c..0000000000000000000000000000000000000000
--- a/Tools/GardeningServer/ui/ct-popout-iframe.html
+++ /dev/null
@@ -1,29 +0,0 @@
-<!--
-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.
--->
-
-<polymer-element name="ct-popout-iframe" attributes="src" noscript>
-  <template>
-    <style>
-      :host {
-        display: flex;
-        flex-direction: column;
-      }
-      .link {
-        /* <ct-test-output> sets line-height 0, so reset it here. */
-        line-height: initial;
-        padding: 3px;
-      }
-      iframe {
-        border: none;
-        width: 100%;
-        flex: 1;
-      }
-    </style>
-
-    <iframe src="{{src}}"></iframe>
-    <div class="link"><a href="{{src}}" target="_blank">pop out to a new tab</a></div>
-  </template>
-</polymer-element>