Move Ash-specific vector icon files into a separate directory

ui/gfx/vector_icons/shelf_keyboard.1x.icon

Index: ui/gfx/vector_icons/shelf_keyboard.1x.icon
diff --git a/ui/gfx/vector_icons/shelf_keyboard.1x.icon b/ui/gfx/vector_icons/shelf_keyboard.1x.icon
deleted file mode 100644
index 16f2a693da5ff6890c5665123d20c1d7cff0f3b8..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/shelf_keyboard.1x.icon
+++ /dev/null
@@ -1,82 +0,0 @@
-// Copyright 2016 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.
-
-CANVAS_DIMENSIONS, 16,
-MOVE_TO, 13.14f, 4,
-H_LINE_TO, 3.86f,
-CUBIC_TO, 2.59f, 4, 2.01f, 4.58f, 2, 5.8f,
-R_V_LINE_TO, 5.4f,
-R_CUBIC_TO, 0, 1.22f, 0.59f, 1.8f, 1.86f, 1.8f,
-R_H_LINE_TO, 9.29f,
-CUBIC_TO, 14.42f, 13, 15, 12.42f, 15, 11.2f,
-V_LINE_TO, 5.8f,
-R_CUBIC_TO, 0, -1.22f, -0.58f, -1.8f, -1.86f, -1.8f,
-CLOSE,
-MOVE_TO, 8, 6,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-H_LINE_TO, 8,
-V_LINE_TO, 6,
-CLOSE,
-R_MOVE_TO, 0, 2,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-H_LINE_TO, 8,
-V_LINE_TO, 8,
-CLOSE,
-MOVE_TO, 6, 6,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-H_LINE_TO, 6,
-V_LINE_TO, 6,
-CLOSE,
-R_MOVE_TO, 0, 2,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-H_LINE_TO, 6,
-V_LINE_TO, 8,
-CLOSE,
-MOVE_TO, 5, 9,
-H_LINE_TO, 4,
-V_LINE_TO, 8,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, 0, -2,
-H_LINE_TO, 4,
-V_LINE_TO, 6,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, 6, 2,
-R_H_LINE_TO, -1,
-V_LINE_TO, 8,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, 0, -2,
-R_H_LINE_TO, -1,
-V_LINE_TO, 6,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, 2, 2,
-R_H_LINE_TO, -1,
-V_LINE_TO, 8,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, 0, -2,
-R_H_LINE_TO, -1,
-V_LINE_TO, 6,
-R_H_LINE_TO, 1,
-R_V_LINE_TO, 1,
-CLOSE,
-R_MOVE_TO, -7, 5,
-R_V_LINE_TO, -1,
-R_H_LINE_TO, 5,
-R_V_LINE_TO, 1,
-H_LINE_TO, 6,
-CLOSE,
-END