Move a bunch of ash-only vector icons to ash/.

ui/gfx/vector_icons/system_menu_sms.icon

Index: ui/gfx/vector_icons/system_menu_sms.icon
diff --git a/ui/gfx/vector_icons/system_menu_sms.icon b/ui/gfx/vector_icons/system_menu_sms.icon
deleted file mode 100644
index 2f19b883d8160fb32a31870f07a3d74371b14116..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/system_menu_sms.icon
+++ /dev/null
@@ -1,34 +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, 24,
-MOVE_TO, 20, 2,
-H_LINE_TO, 4,
-R_CUBIC_TO, -1.1f, 0, -1.99f, 0.9f, -1.99f, 2,
-LINE_TO, 2, 22,
-R_LINE_TO, 4, -4,
-R_H_LINE_TO, 14,
-R_CUBIC_TO, 1.1f, 0, 2, -0.9f, 2, -2,
-V_LINE_TO, 4,
-R_CUBIC_TO, 0, -1.1f, -0.9f, -2, -2, -2,
-CLOSE,
-MOVE_TO, 9, 11,
-H_LINE_TO, 7,
-V_LINE_TO, 9,
-R_H_LINE_TO, 2,
-R_V_LINE_TO, 2,
-CLOSE,
-R_MOVE_TO, 4, 0,
-R_H_LINE_TO, -2,
-V_LINE_TO, 9,
-R_H_LINE_TO, 2,
-R_V_LINE_TO, 2,
-CLOSE,
-R_MOVE_TO, 4, 0,
-R_H_LINE_TO, -2,
-V_LINE_TO, 9,
-R_H_LINE_TO, 2,
-R_V_LINE_TO, 2,
-CLOSE,
-END