Remove dead code for system VK.

ui/keyboard/resources/layouts/numeric.html

Index: ui/keyboard/resources/layouts/numeric.html
diff --git a/ui/keyboard/resources/layouts/numeric.html b/ui/keyboard/resources/layouts/numeric.html
deleted file mode 100644
index 71e023ad0d94857772b7cb2b1ea708a9c077d489..0000000000000000000000000000000000000000
--- a/ui/keyboard/resources/layouts/numeric.html
+++ /dev/null
@@ -1,27 +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.
-  -->
-
-<kb-keyset id="numeric-symbol" isDefault=true>
-  <kb-row>
-    <kb-key>1</kb-key><kb-key>2</kb-key><kb-key>3</kb-key>
-    <kb-key class="dark">-</kb-key>
-  </kb-row>
-  <kb-row>
-    <kb-key>4</kb-key><kb-key>5</kb-key><kb-key>6</kb-key>
-    <kb-key class="dark">,</kb-key>
-  </kb-row>
-  <kb-row>
-    <kb-key>7</kb-key><kb-key>8</kb-key><kb-key>9</kb-key>
-    <kb-key char="&#x0008;" repeat class="dark">backspace</kb-key>
-  </kb-row>
-  <kb-row>
-    <kb-key char=" " class="dark">space</kb-key>
-    <kb-key>0</kb-key>
-    <kb-key class="dark">.</kb-key>
-    <kb-key char="&#x0009;" class="dark">next</kb-key>
-  </kb-row>
-</kb-keyset>
-