Remove dead code for system VK.

ui/keyboard/resources/elements/kb-keyboard.html

Index: ui/keyboard/resources/elements/kb-keyboard.html
diff --git a/ui/keyboard/resources/elements/kb-keyboard.html b/ui/keyboard/resources/elements/kb-keyboard.html
deleted file mode 100644
index b0b3ca6f15ed0c8d55a6983051c4a4d98e00baa5..0000000000000000000000000000000000000000
--- a/ui/keyboard/resources/elements/kb-keyboard.html
+++ /dev/null
@@ -1,39 +0,0 @@
-<!--
-  -- Copyright 2013 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="kb-keyboard" on-key-over="{{keyOver}}"
-    on-key-up="{{keyUp}}" on-key-down="{{keyDown}}"
-    on-key-longpress="{{keyLongpress}}" on-pointerup="{{up}}"
-    on-pointerdown="{{down}}" on-pointerout="{{out}}"
-    on-enable-sel="{{enableSel}}" on-enable-dbl="{{enableDbl}}"
-    on-key-out="{{keyOut}}" on-set-layout="{{setLayout}}" on-type-key="{{type}}"
-    attributes="inputType inputTypeToLayoutMap keyset layout volume">
-  <template>
-    <style>
-      :host {
-        -webkit-user-select: none;
-        background-color: #eeeeee;
-        bottom: 0;
-        cursor: default;
-        left: 0;
-        margin: 0;
-        overflow: hidden;
-        padding: 0;
-        position: absolute;
-        right: 0;
-        top: 0;
-      }
-    </style>
-    <!-- The ID for a keyset follows the naming convention of combining the
-      -- layout name with a base keyset name. This convention is used to
-      -- allow multiple layouts to be loaded (enablign fast switching) while
-      -- allowing the shift and spacebar keys to be common across multiple
-      -- keyboard layouts.
-      -->
-    <content select="kb-keyset" id="content"></content>
-    <kb-key-codes id="keyCodeMetadata"></kb-key-codes>
-  </template>
-</polymer-element>