Remove virtual keyboard support.

chrome/browser/resources/options2/chromeos/virtual_keyboard.css

Index: chrome/browser/resources/options2/chromeos/virtual_keyboard.css
diff --git a/chrome/browser/resources/options2/chromeos/virtual_keyboard.css b/chrome/browser/resources/options2/chromeos/virtual_keyboard.css
deleted file mode 100644
index ba903d5e3c01171e36b7a631c25c00d53f1fd43e..0000000000000000000000000000000000000000
--- a/chrome/browser/resources/options2/chromeos/virtual_keyboard.css
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright (c) 2012 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. */
-
-.virtual-keyboard-column-headers {
-  display: -webkit-box;
-  font-size: 13px;
-  font-weight: bold;
-}
-
-.virtual-keyboard-layout-column {
-  -webkit-margin-end: 10px;
-  -webkit-margin-start: 14px;
-  width: 250px;
-}
-
-#virtual-keyboard-manager list {
-  border: solid 1px #D9D9D9;
-  border-radius: 2px;
-  margin-bottom: 10px;
-  margin-top: 4px;
-}